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Stella [2.4K]
3 years ago
6

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

Mathematics
1 answer:
lyudmila [28]3 years ago
6 0
Answer: 
2x+5

<span>4x^2-6x-40                        factor
2(2x+5)(x-4)                     multiply 
(2x+5)(2x-8) = area
2x+5 = length

</span>
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