 | George Egbert Fisher, Isaac Joachim Schwatt - 1898 - 714 σελίδες
...multiplication, we have (a + o)J = (a + 6) (a + *) = a' + 2 ab + Ьг. That is, the square of the sum of tico numbers is equal to the square of the first number, plus twice the product of the two numbers, plus the square of the second number. Eg, (2x + 6»)i-(2as)I+ 2 (2 x)(5y)+(5y)* 2. By... | |
 | George Egbert Fisher, Isaac Joachim Schwatt - 1898 - 712 σελίδες
...multiplication, we have (a - 6)J = (a - 6)(a - A) = a1 - 2 ab + 6s. That is, the square of the difference of two numbers is equal to the square of the first number, minus twice the product of the tico numbers, plus the square of the second number. Kg., (3 * - 7 y)»... | |
 | George Egbert Fisher, Isaac Joachim Schwatt - 1898 - 712 σελίδες
...times the difference between x and y. Given two numbers, a and b, write in algebraic language : 37. The square of the first number, plus twice the product of the two numbers, plus the square of the second number. 38. The cube of the first number, plus three times... | |
 | John Henry Walsh - 1899 - 260 σελίδες
...by 20 20" + 20 x 5 Multiplying by 5 20 x 5 + 5' 202 + 2(20 xo) + 5» = 400 + 200 + 25 = 625. 1032. The square of the sum of two numbers is equal to the square of the first + twice the product of the first by the secpnd + the square of the second. 132 =• (10 + 3)' = 102+2(10x3)+32... | |
 | George Egbert Fisher - 1899 - 506 σελίδες
...multiplication, we have (a - b)- = (ab)(a- b}= a2 - tab + b2. That is, the square of the difference of two numbers is equal to the square of the first number, minus twice the product of the two numbers, plus the square of the second number. Eg, (3x-7y)*= (3... | |
 | George W. Evans - 1899 - 456 σελίδες
...square of the second. (The identity is (a + ¿)2 = a3 + 2а¿ + 52.) 2. The square of the difference of two numbers is equal to the square of the first number, minus twice the product of the two, plus the square of the second. 3. The square of any polynomial... | |
 | John Marvin Colaw, John Kelley Elkwood - 1900 - 450 σελίδες
...33. (if + 7) (x" - 7). 35. (m - n) (m - n). 34. (c + 4d) (U + c). 36. (x + 4) (x + 5). 37. Show that the square of the sum of two numbers is equal to the...of the first number, plus twice the product of the two numbers, plus the square of the second number. 38. Square a + b and a — b, and compare the results.... | |
 | George Egbert Fisher - 1900 - 438 σελίδες
...actual multiplication, we have (a + b)z=(a + 6) (a + 6) = a2 + ab + ba + 6» = o3 +2 ab + б». That is, the square of the sum of two numbers is equal to the...of the first number, plus twice the product of the two numbers, plus the square of the second number. Eg, (2 x + 5 y)2 = (2 xf + 2(2 *)(5 y) + (5 3/)'... | |
 | George Egbert Fisher, Isaac Joachim Schwatt - 1900 - 200 σελίδες
...actual multiplication, we have (a + 6)2 = (a + 6)(a + 6) = a2 + ab + bа + b2 = a2 + 2 ab + 6J. That is, the square of the sum of two numbers is equal to the...of the first number, plus twice the product of the two numbers, plus the square of the second number. Eg, (2x + 5y? = (2 xf + 2(2 x)(5 y) + (5 у)2 =... | |
 | George Egbert Fisher, Isaac Joachim Schwatt - 1900 - 202 σελίδες
...?,)2 = 4ж2 + 20да/ + 3. By actual multiplication, we have That is, the square of the difference of two numbers is equal to the square of the first number, minus twice the product of the two numbers, plus the square of the second number. Eg, (3x-7yf = (3... | |
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That is, the square of the sum of two numbers is equal to the square of the first number, plus twice the product of the two numbers, plus the square of the second number. 
