20. Factor the expression. ^2 + 7 + 12

Question

20. Factor the expression. ^2 + 7 + 12

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Adalyn 2 weeks 2021-10-07T18:08:37+00:00 2 Answers 0

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    0
    2021-10-07T18:09:52+00:00

    Answer: x^2 + 19

    Step-by-step explanation: Cancel out x^2 and add 7 and 12 together. 7 + 12 = 19. Next plug in x^2. So, its now x^2 + 19.

    Hope this help!

    0
    2021-10-07T18:10:21+00:00

    Answer:

    Step-by-step explanation:

    x² + 7x + 12 = x² + 4x + 3x + 3*4

                       = x*(x + 4) +  3*(x + 4)

                       =(x + 4) (x+3)

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