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19-10-2017
Mathematics

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Simplify 3(4x + 6) - 9x.

-15x + 18
3x + 18
3x + 6
12x + 18 - 9x

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paublotheduck paublotheduck

19-10-2017

3(4x + 6) - 9x

Apply the Distributive Property:
3 (4x) + 3 * 6 - 9x

Multiply by 4 by 3 to get 12:
12x + 3 * 6 -9x

Multiply 3 by 6 to get 18:
12x + 18 - 9x

Subtract 9x from 12x to get 3x:
3x + 18

Your answer is the second option!

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