A First Book of Algebra

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Page 79 - The sum of the ages of a father and his son is 36, and in 10 years the son's age will be | of the father's age.
Page 144 - 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.
Page 173 - In any proportion, the product of the means equals the product of the extremes.
Page 61 - To divide a polynomial by a monomial, divide each term of the polynomial by the monomial: (Sab — 12ac) -i- 4a = 36 — 3c.
Page 75 - A term may be transposed from one member of an equation to the other by changing its sign.
Page 213 - The difference of two numbers is 5, and the sum of their squares is 697.
Page 44 - When the sum of two numbers and one of the numbers are given, to find the other number. From the given sum subtract the given number, and the remainder will be the other number.
Page 65 - The product of two or more fractions is a fraction whose numerator is the product of the numerators of the given fractions and whose denominator is the product of the denominators of the given fractions.
Page 145 - The square of the sum of two numbers is equal to the square \ (¿ of the first, plus twice the product of the first and second, plus the J square of the second.

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