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Feras Al Sous · Answer 1 · 2017-11-11T02:06:39+0000

Answer:

The answer is:

Explanation:

The given expression is:
(x-4)(x^2-5x-6)

For getting the product, we need to distribute
(x-4) with each term in the second parenthesis. So.....

$(x-4)(x^2-5x-6)\\ \\ =x^2(x-4)-5x(x-4)-6(x-4)\\ \\ =x^3-4x^2-5x^2+20x-6x+24 \ [using\ distribution\ rule]\\ \\ =x^3-9x^2+14x+24\ [combining\ like\ terms]$

So, the answer is:

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