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40-10x-30x^{2}
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40-10x-30x^{2}
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-30x^{2}-40x+30x+40
Apply the distributive property by multiplying each term of -5x+5 by each term of 6x+8.
-30x^{2}-10x+40
Combine -40x and 30x to get -10x.
-30x^{2}-40x+30x+40
Apply the distributive property by multiplying each term of -5x+5 by each term of 6x+8.
-30x^{2}-10x+40
Combine -40x and 30x to get -10x.
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