Find the sum. 2x x2 – 6x + 9 + x2 + 2x – 15

Question

Find the sum.
2x
x2 – 6x + 9 + x2 + 2x – 15

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Ximena 2 weeks 2021-09-10T13:30:29+00:00 1 Answer 0

Answers ( )

    0
    2021-09-10T13:31:59+00:00

    Answer:

    \large\boxed{x^2-6x+9+x^2+2x-15=2x^2-4x-6}

    Step-by-step explanation:

    x^2-6x+9+x^2+2x-15\qquad\text{combine like terms}\\\\=(x^2+x^2)+(-6x+2x)+(9-15)\\\\=2x^2-4x-6

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27:3+15-4x7+3-1=? ( )