I would help you but I can't see it maybe zoom in a little closer.
Answer:
b=6
Step-by-step explanation:
9b-10b=-6+10b-10b
-b=-6 so b=6
Remember the order of operations. The first step in this problem will be to solve the exponent.
Take (2x)^3. Remember that since there are parentheses around 2x, that means you have to cube 2 and x.
(2x)^3 = 2^3 * x^3 = 8x^3
Now multiply that answer by 4 to finish simplifying.
8x^3 * 4 = 32 x^3
Your answer should be: 32x^3
I'm 100% sure of my answer
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hope this helps
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