x2 - 2x - 15 = 0

Question

x2 - 2x - 15 = 0

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Ivy 1 week 2021-09-14T00:11:41+00:00 2 Answers 0 views 0

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    0
    2021-09-14T00:13:21+00:00

    Answer:

    =>x²-2x-15=0

    =>x²-(5-3)x-15=0

    =>x²-5x+3x-15=0

    =>x(x-5)+3(x-5)=0

    =>(x-5)(x+3)=0

    Either, or,

    x-5=0 x+3=0

    x=5 x= -3

    0
    2021-09-14T00:13:38+00:00

    Answer:

    x=10,-6

    Step-by-step explanation:

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