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08-09-2020
Mathematics

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what is the complete factor of 4x^2 + 12x- 15?

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mhanifa mhanifa

08-09-2020

Answer:

(2x + 3 + 2√6)(2x + 3 - 2√6)

Step-by-step explanation:

Factorization in steps

4x^2 + 12x- 15=
(2x)^2 + 2*2x*3 + 3^2 - 9 - 15 =
(2x + 3)^2 - 24 =
(2x + 3 + √24)(2x+3 - √24) =
(2x + 3 + 2√6)(2x + 3 - 2√6)

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