New School Algebra (Classic Reprint)
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Excerpt from New School Algebra
The definitions and explanations contained in these chapters should be carefully read at first; after the learner has become familiar with algebraic Operations, special atten tion should be given to the principal definitions.
The third chapter contains a simple explanation Of nega tive numbers. The recognition Of the fact that the real nature of subtraction is counting backwards, and that the real nature of multiplication is forming the product from the multiplicand precisely as the multiplier is formed from unity, makes an easy road to the laws of addition and sub traction Of algebraic numbers, and to the law of signs in multiplication and division. All the principles and rules of this chapter are illustrated and enforced by numerous examples involving simple algebraic expressions only.
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