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wlad13 [49]
4 years ago
5

What is -7x-3 (9-7x)

Mathematics
1 answer:
Angelina_Jolie [31]4 years ago
8 0
Hello,

First, you distribute: 
<span><span>−<span>7x</span></span>+<span><span>(<span>−3</span>)</span><span>(9)</span></span></span>+<span><span>(<span>−3</span>)</span><span>(<span>−<span>7x</span></span>) and it turns into </span></span><span><span><span>−<span>7x</span></span>+</span>−27</span>+<span>21<span>x

</span></span>Next, you must combine like terms:
 <span><span>−<span>7x</span></span>+<span>−27</span></span>+<span>21x = </span><span>(<span><span>−<span>7x</span></span>+<span>21x</span></span>)</span>+<span>(<span>−27</span>) = </span><span>14x</span>+<span>−<span>27

So, 14x-27 is your total answer.

I hope I helped :)</span></span>
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