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Simplify (x−5)(x2−2x−6)

x3−7x2+4x+30

x3−5x2+10x+30

x3−7x2+16x+30

x3+x2−4x+30

Respuesta :

(x−5)(x2−2x−6)

mutiply the brackets together

(x)(x^2)=x^3

(x)(-2x)=-2x^2

(x)(-6)=-6x

(-5)(x^2)=-5x^2

(-5)(-2x)=10x

(-5)(-6)=30

x^3-2x^2-6x-5x^2+10x+30

x^3-2x^2-5x^2-6x+10x+30 ( combine like terms)

x^3-7x^2+4x+30

Answer: x3−7x2+4x+30

serioustomboy07

Answer:

I can confirm that the answer above is indeed correct.

Step-by-step explanation:

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