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OpenStudy (anonymous):
subtract (-9x^2+7x-12) from the sum of (-8x^2-9x) and (9x^2+9x+4)
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OpenStudy (anonymous):
Add (-8x^2-9x) and (9x^2+9x+4) together first.
OpenStudy (anonymous):
or multiply or however it/s arranged.
OpenStudy (anonymous):
add the two first, the answer you get subtract that and that's your answer.
OpenStudy (anonymous):
answer i believe would be 10x^2-7x+16
OpenStudy (anonymous):
that was the right answer
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