Select the product of (3x-4)(3x4)

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asked Sep 3, 2015 147k views

2 Answers

Ceadreak · Answer 1 · 2015-09-05T02:08:40+0000

(3x-4)(3x-4) ???
You have to times each of the numbers from the opposite brackets together :)
3x x 3x = 9x^2
3x x -4 = -12x
-4 x 3x = -12x
-4 x -4 = 16 (a minus times a minus is a plus)

So it's 9x^2 -12x -12x +16
Which can be simplified to...
9x^2 -24x +16

;D

Select the product of (3x-4)(3x4)

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