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OpenStudy (anonymous):
does (10x^2 − 5) − (3x^2 − 2x + 7) simplify out to be -7x^2 + 2x - 12
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
except the 7 shouldn't be negative
OpenStudy (anonymous):
so just start it off as 7x^2
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