Both terms have an x and the highest number that goes into both is 9.
Thus the answer is 9x
It’s C. I have to put more letters just ignore this
9, 15, 22.
If you add any of the two side lengths, they will be greater than the third.
We can start by getting rid of parenthesis:
4x-3x+6=21
Then we can combine like terms:
x=21-6
x=15
So our end product is x=15.
Hope I helped soz if I'm wrong ouo.
~Potato.
Copyright Potato 2019.
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