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75-140x-20x^{2}
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75-140x-20x^{2}
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75+10x-150x-20x^{2}
Apply the distributive property by multiplying each term of 5-10x by each term of 15+2x.
75-140x-20x^{2}
Combine 10x and -150x to get -140x.
75+10x-150x-20x^{2}
Apply the distributive property by multiplying each term of 5-10x by each term of 15+2x.
75-140x-20x^{2}
Combine 10x and -150x to get -140x.
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