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OpenStudy (anonymous):
2z(3z+2)(z-1)-(z+7)(z-9). find product for polynomials.
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OpenStudy (anonymous):
expand the joint out and combine all of the like terms. You should have a polynomial of degree 3, and some of your z^2 and z terms should be the majority of what is getting rearranged. Just do the diligence in multiplying everything out. ....2z(3z^2+z-2) - (z^2-2z-63) is where it starts it looks like
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