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Kruka [31]
3 years ago
15

Which expression is equal to (x+2) (-x^2+2x-6)

Mathematics
1 answer:
lyudmila [28]3 years ago
6 0

Answer:

\huge\boxed{C.\ -x^3-2x-12}

Step-by-step explanation:

(x+2)(-x^2+2x-6)\\\\=(x)(-x^2)+(x)(2x)+(x)(-6)+(2)(-x^2)+(2)(2x)+(2)(-6)\\\\=-x^3+2x^2-6x-2x^2+4x-12\\\\\text{combine like terms}\\\\=-x^3+(2x^2-2x^2)+(-6x+4x)-12\\\\=-x^3-2x-12

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