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The area of a rectangular book cover is 4x2 - 6x-40. The width of the book cover is 2x - 8. What is the length of the book cover?
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The area of a rectangular book cover is 4x2 - 6x-40. The width of the book

cover is 2x - 8. What is the length of the book cover?

User Do It Better
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1 Answer

7 votes

Explanation:

4x^2-6x-40

2(2x^2-3x-20)

=2(2x+5)(x-4)

User McX
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