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

User Robert El
by
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2 Answers

5 votes
(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
User Ceadreak
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8.0k points
4 votes

I am assuming that (3x4) = 12. Therefore,

12 * (3x-4) = 36x-48 ANS.

User Thierry J
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9.2k points
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