Final Answer
$14400\left(0.125z^2-0.2\right)\left(0.125z^2+0.2\right)$
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Step-by-step Solution
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1
Calculate the power $120^2$
$14400\left(0.125z^2-0.2\right)\left(0.125z^2+0.2\right)$
Final Answer
$14400\left(0.125z^2-0.2\right)\left(0.125z^2+0.2\right)$