Arectangular prism has a volume of 3x^2+18x+24. its base has a length of x+2 and it's width is 3. which expression represents the height of the prism

Use the function nest to evaluate p(x) = 1 + x + · · · + x50 at x = 1.00001. (use the matlab ones command to save typing.) find the error of the computation by comparing with the equivalent expression q(x) = (x51 − 1)/(x − 1).

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How do i put 3(x+7) in distributive property