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OpenStudy (anonymous):
can someone check my answer please? (x+1)(x^3+2x^2+3x+4)=x^4+3x^3+5x^2+7x+4
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OpenStudy (anonymous):
seems correct to me
OpenStudy (anonymous):
can i ask you a question?
OpenStudy (anonymous):
when I am adding 2x^3+x^3 the result will be 3x^3 right?
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