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What are the answers to all these questions?

What are the answers to all these questions?-example-1
User Rcrogers
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1 Answer

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For example exc. 4!

V = x(6 - 2x)(10 - 2x) = (6x - 2x^2)(10 -2x) = 60x - 12x^2 - 20x^2 + 4x^3 = 4x^3 - 32x^2 + 60x;
User CedricB
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