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OpenStudy (anonymous):
(x^2-2x+7)-(17x+x^2-8x)=3x-43 (5-4a+6a^2)-(4a-9a^2-5) Can u PLZ show me how to do these I have a test tommorow on polynomials.
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myininaya (myininaya):
the first one is not right
OpenStudy (anonymous):
okay. do you know the distributive property. for example, what is 4(6) + 5(6)?
myininaya (myininaya):
\[(x^2-2x+7)-(17x+x^2-8x)=(x^2-2x+7)-(9x+x^2)=-2x-9x+7=-7x+7\]
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