What is the factored form of the expression 3×2+8×-16

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asked Sep 14, 2018 149k views

1 Answer

Patrice Pezillier · Answer 1 · 2018-09-18T17:22:19+0000

We want to factor 3x² + 8x - 16.

Note that
16 = 1 x 16
= 2 x 8
= 4 x 4

By using 16 = 4 x 4, obtain
(3x)(4) - (x)(4) = 12x - 4x = 8x
This produces 8x in the given expression.

Therefore
3x² + 8x - 16 = (3x - 4)(x + 4)

Answer: (3x - 4)(x + 4)

What is the factored form of the expression 3×2+8×-16

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