Which shows the factored form of x2 – 12x – 45? (x+3xx – 15) O (X – 3)(x – 15) O (x+3)(x + 15) O (x-3)(x + 15)

Question

Which shows the factored form of x2 – 12x – 45?
(x+3xx – 15)
O (X – 3)(x – 15)
O (x+3)(x + 15)
O (x-3)(x + 15)

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Faith 2 weeks 2021-09-11T10:13:59+00:00 1 Answer 0

Answers ( )

    0
    2021-09-11T10:15:41+00:00

    Answer: (x-15)(x+3)

    Step-by-step explanation:

    x^2-12x-45\\(x-15)(x+3)

    (x)(x) = x^2 which is correct

    [(x)(3)]+[(-15)(x)] = 3x+(-15x) = 3x-15x = -12x which is correct

    (-15)(3) = -45 which is correct.

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45:7+7-4:2-5:5*4+35:2 =? ( )