Evaluate
10\left(x-1\right)\left(x+3\right)
Expand
10x^{2}+20x-30
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10x^{2}-10x+30x-30
Apply the distributive property by multiplying each term of 2x+6 by each term of 5x-5.
10x^{2}+20x-30
Combine -10x and 30x to get 20x.
10x^{2}-10x+30x-30
Apply the distributive property by multiplying each term of 2x+6 by each term of 5x-5.
10x^{2}+20x-30
Combine -10x and 30x to get 20x.
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