Evaluate
\left(x-66\right)\left(x-60\right)
Expand
x^{2}-126x+3960
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\left(60-x\right)\left(50-x+16\right)
Add 40 and 20 to get 60.
\left(60-x\right)\left(66-x\right)
Add 50 and 16 to get 66.
3960-60x-66x+x^{2}
Apply the distributive property by multiplying each term of 60-x by each term of 66-x.
3960-126x+x^{2}
Combine -60x and -66x to get -126x.
\left(60-x\right)\left(50-x+16\right)
Add 40 and 20 to get 60.
\left(60-x\right)\left(66-x\right)
Add 50 and 16 to get 66.
3960-60x-66x+x^{2}
Apply the distributive property by multiplying each term of 60-x by each term of 66-x.
3960-126x+x^{2}
Combine -60x and -66x to get -126x.
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