I need help simplifying it​

D: 13b^3 - 18b^2 - 7b + 12

Step-by-step explanation:

First expand the brackets by multiplying (10b^2+7b-3) by -1

Then rearrange the terms so you can see where you have to add them together.

Then simplify

answer: 2x + 2 − 2 = 10 − 2; subtraction property of equality

step-by-step explanation:

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