(x + 5) (x + 6) (x + 7)
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Answer:
x^3+18x^2+107x+210
Step-by-step explanation:
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Step-by-step explanation:
(x+5) (x+6)=x^2+6x+5x+30=x^2+11x+30. Now multiply it by 3.. (x^2+11x+30)=(x+7)=x^3+7x^2+11x^2+77x+30x+ 2010
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