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22 October, 17:39

Which of the following are solutions to the equations below? x^2+x-20=0

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Answers (2)
  1. 22 October, 19:25
    0
    x=4 x=-5

    Step-by-step explanation:

    x^2+x-20=0

    Factor

    What 2 numbers multiply to - 20 and add to 1

    -4*5 = -20 and

    -4+5 = 1

    (x-4) (x+5) = 0

    Using the zero product property

    x-4 = 0 x+5=0

    x=4 x=-5
  2. 22 October, 21:18
    0
    Answer:My answer would be

    x=4,-5

    tell me if I am wrong
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