Expand
30+7x-x^{2}
Evaluate
\left(10-x\right)\left(x+3\right)
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10x+30-x^{2}-3x
Apply the distributive property by multiplying each term of 10-x by each term of x+3.
7x+30-x^{2}
Combine 10x and -3x to get 7x.
10x+30-x^{2}-3x
Apply the distributive property by multiplying each term of 10-x by each term of x+3.
7x+30-x^{2}
Combine 10x and -3x to get 7x.
Examples
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