Expand
-z^{2}+26z-120
Evaluate
\left(6-z\right)\left(z-20\right)
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6z-120-z^{2}+20z
Apply the distributive property by multiplying each term of 6-z by each term of z-20.
26z-120-z^{2}
Combine 6z and 20z to get 26z.
6z-120-z^{2}+20z
Apply the distributive property by multiplying each term of 6-z by each term of z-20.
26z-120-z^{2}
Combine 6z and 20z to get 26z.
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