Evaluate
\left(10-x\right)\left(x+6\right)
Expand
60+4x-x^{2}
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x\left(-x\right)+10x+6\left(-x\right)+60
Apply the distributive property by multiplying each term of x+6 by each term of -x+10.
x^{2}\left(-1\right)+10x+6\left(-1\right)x+60
Multiply x and x to get x^{2}.
x^{2}\left(-1\right)+10x-6x+60
Multiply 6 and -1 to get -6.
x^{2}\left(-1\right)+4x+60
Combine 10x and -6x to get 4x.
x\left(-x\right)+10x+6\left(-x\right)+60
Apply the distributive property by multiplying each term of x+6 by each term of -x+10.
x^{2}\left(-1\right)+10x+6\left(-1\right)x+60
Multiply x and x to get x^{2}.
x^{2}\left(-1\right)+10x-6x+60
Multiply 6 and -1 to get -6.
x^{2}\left(-1\right)+4x+60
Combine 10x and -6x to get 4x.
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