2 years ago

What is the value of x? х X-6 5 3 A. 3 B. 9 C. 15 D. 30

Mathematics

1 answer:

Tatiana [17]2 years ago

4 0

Answer: C. 15

Step-by-step explanation:

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3 years ago

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Sergio [31]

$(x-5)(x^2-x-4) =x^3-6x^2+x+20$

Step-by-step explanation:

Given polynomials are:

$x^2-x-4\\and\\x-5$

Both polynomials have to be multiplied. We will use distributive property for the said purpose

So,

$(x-5)(x^2-x-4)\\=x(x^2-x-4)-5(x^2-x-4)\\=x^3-x^2-4x-5x^2+5x+20$

Combining alike terms

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Hence,

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Keywords: Polynomials, Multiplication

Learn more about polynomials at:

#LearnwithBrainly

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