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Galina-37 [17]
3 years ago
15

Simplify –6(5x + 1) + 3(2x – 4).

Mathematics
2 answers:
Aleksandr [31]3 years ago
5 0
Multiply the coefficients to the terms in parentheses:

-6(5x + 1) = (-6 * 5x) + (-6 * 1) = -30x - 6

3(2x - 4) = (3 * 2x) + (3 * -4) = 6x - 12

(-30x - 6) + (6x - 12)

Combine like terms:

-30x + 6x = -24x

-6 + -12 = -18

-24x - 18

The answer is C. -24x - 18.

kondaur [170]3 years ago
4 0
I believe the answer is A
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A. A=(3+20)(3+10)+12=(23)(13)+12=299+12=311 <u>Answer A is wrong.</u>

B. A=(3+20)(3+10)-12=(23)(13)-12=299-12=287 <u>Answer B is wrong.</u>

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It's either I'm wrong or the answer choices are wrong.

New answer choices!

A. A=(3+20)(3+11)

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B. A=(3+15)(3+10)+5

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D. A=(3+9)(3+10)=(12)(13)=156 <u>Answer D is wrong.</u>

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====================================
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