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OpenStudy (anonymous):
9xy2 – 11xy2 simplify the expression.
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OpenStudy (anonymous):
-(2*xy2) I believe so
OpenStudy (anonymous):
9-11=-2 and the terms cancel out so -2
OpenStudy (anonymous):
81-121 = _40is this correct?
OpenStudy (anonymous):
its -60
OpenStudy (anonymous):
how so?
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OpenStudy (anonymous):
cuz ur subtracting a bigger number from a smaller
OpenStudy (anonymous):
oh soory it was -40... i did 81-141
OpenStudy (anonymous):
oh ok :)
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