14-01-2019
Mathematics

contestada

Identify all factors of the expression 4x^2 + 17x - 15

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Ammimochi Ammimochi

14-01-2019

Split the second term in 4x^2 + 17x - 15 into two terms

4x^2 + 20x - 3x - 15

Factor out the common terms in the first two terms, then in the last two terms.

4x(x + 5) -3(x + 5)

Factor out the common term x + 5

(x + 5)(4x - 3)

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