Question

Find the quotient. (6x2 - x - 40) ÷ (5 + 2x)

Answer 1

6x^2 - x - 40
= 6x^2 + 15x - 16x - 40
= 3x(2x + 5) - 8(2x + 5)
= (3x - 8)(2x + 5).

Thus, (6x^2 - x - 40)/(5 + 2x) = [(3x - 8)(2x + 5)]/(2x + 5) = 3x - 8.

Answer 2

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Answer 3

http://www.algebra.com/algebra/homework/Polynomials-and-rational-expressions/Polynomials-and-rational-expressions.faq.question.274710.html

Answer 4

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Answer 5

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