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OpenStudy (anonymous):
Did I do this correctly? (x^2 +8)(x^3+7x-3)= x^2(x^3+7x-3) + 8(x^3 + 7x-3)= (x^2)(x^3)+(x^2)(7x)+(x^2)(-3)+(8)(x^3)+(8)(7x) + (8)(-3)= x^5 + 7x^3 - 3x^2 + 8x^3+56x-24= x^5+15x^3-3x^2+56x-24 ?????
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OpenStudy (precal):
|dw:1345863352128:dw| yes, I used the box multiplication method
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