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HACTEHA [7]
3 years ago
13

What is the product of 3x(x2 + 4)? O x² + 3x +4 O 3x3 + 4 O 3x3 + 12x 3x² + 12x

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
6 0

Answer:

3x³ + 12x

Step-by-step explanation:

Given

3x(x² + 4) ← multiply each term in the parenthesis by 3x

= 3x³ + 12x

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Hey there! :) 

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We're trying to solve for x. To solve for x, we must isolate x.

So, let's divide everything by -2!

-6 ÷ -2 < -2x ÷ -2 < 14 ÷ -2

**Remember : when dividing by a negative number, you MUST switch the sign! So, if the sign is ">" then we switch it to "<" and the other way around **

3 > x > -7

So, our answer is : → 3 > x > -7

~Hope I helped!~
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3 years ago
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