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anonymous
 5 years ago
help pls Multiply and Simplify (z364) / (z25z+4) * (2z2+9z11) / (5z2+20z+80)
anonymous
 5 years ago
help pls Multiply and Simplify (z364) / (z25z+4) * (2z2+9z11) / (5z2+20z+80)

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dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.1try to factor each part, then you can cancel

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.1\[z^{3}64 = z^{3} 4^{3} = (z4)(z^{2}+4z+16)\] \[z^{2}5z+4 = (z4)(z1)\] \[2z^{2}+9z11 = (2z+11)(z1)\] \[5z^{2}+20z+80 = 5(z^{2}+4z+16)\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so then do I cancel out the ones that are the same

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.1yes since you are multiplying, if same term is both on top and bottom they cancel
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