(g) 4u2 - 8u - 21 factorization – InterviewSolution

1.

(g) 4u2 - 8u - 21 factorization

Answer» ONG>ANSWER:

$(2u + 3)(2u - 7)$

Step-by-step EXPLANATION:

$= 4 {u}^{2} - 8u - 21 \\ = 4 {u}^{2} - 14u + 6u - 21 \\ = 2u(2u - 7) + 3(2u - 7) \\ (2u + 3)(2u - 7) \\$

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