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OpenStudy (anonymous):
Find the product: (-7n + 3)(-9n +10)
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OpenStudy (john_es):
You must do the product between all terms, like in this one, \[(a+b)(c+d)=a*b+a*d+b*c+b*d\]
OpenStudy (john_es):
Remember \[n*n=n^2\]
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