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OpenStudy (anonymous):
Subtract and simplify: (3x2 – 6x + 7) – (x2 – 6x + 4) A. 2x2 + 6x + 11 B. 2x2 + 3 C. 4x2 – 6x + 3 D. 2x2 + 6x + 3
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OpenStudy (anonymous):
@hoblos
OpenStudy (anonymous):
i picked A
OpenStudy (hoblos):
can show me how you simplified it ?
OpenStudy (anonymous):
im assuming its wrong
OpenStudy (hoblos):
yes.. actually it is (3x2 – 6x + 7) – (x2 – 6x + 4) = 3x2 – 6x + 7 – x2 + 6x - 4 = (3-1)x2 + (-6+6)x +7 - 4 = 2x2 + 3
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OpenStudy (anonymous):
i will review it thank you
OpenStudy (hoblos):
glad to help :)
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