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What is the product? x^2-16/2x+8 * x^3-2x^2+x/x^2+3x-42

2 Answers

6 votes
Factor to get


(x(x-4)(x-1)(x-1))/(2(x^2+3x-42))
User Ajin
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4 votes

Answer with explanation:


\rightarrow(x^2-16)/(2x+8) * (x^3-2 x^2+x)/(x^2+3 x-42)\\\\=((x-4)(x+4))/(2* (x+4)) * (x * (x^2-2 x+1))/(x^2+3 x-42)\\\\=(x(x-4)(x-1)^2)/(2* (x^2+3 x-42))\\\\\text{Used the Identity}}\\\\a^2-b^2=(a-b)(a+b)\\\\(a-b)^2=a^2-2 a b+b^2

User OptimusCrime
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