Evaluate
2\left(60-x\right)\left(x+10\right)
Expand
1200+100x-2x^{2}
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1200+120x-20x-2x^{2}
Apply the distributive property by multiplying each term of 60-x by each term of 20+2x.
1200+100x-2x^{2}
Combine 120x and -20x to get 100x.
1200+120x-20x-2x^{2}
Apply the distributive property by multiplying each term of 60-x by each term of 20+2x.
1200+100x-2x^{2}
Combine 120x and -20x to get 100x.
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