jluvit9640 jluvit9640

23-08-2017
Mathematics

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Multiply: (3x + 2)(4x - 7)

A) -21x + 8x
B) 7x^2 + 6x - 21x - 14
C) 12x - 14
D) 12x^2 - 13x - 14

Respuesta :

23-08-2017

When you are doing distribution with this problem you are going to get your answer of....
D) 12x^2 - 13x - 14

Steps:
Simplify...
(3x + 2)(4x - 7)
= (3x + 2) (4x + -7)
= (3x)(4x) + (3x)(-7) + (2)(4x) + (2)(-7)

= 12x^2 - 21x + 8x - 14
=12x^2 - 13x -14

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