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14 August, 14:17

10. Solve by factoring: y = x2 - 6x + 9

for y = 0.

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Answers (1)
  1. 14 August, 14:53
    0
    x=3

    Step-by-step explanation:

    y = x^2 - 6x + 9

    What two numbers multiply to 9 and add to - 6

    -3*-3 = 0

    -3+-3 = - 6

    y = (x-3) (x-3)

    Setting y = 0

    0 = (x-3) (x-3)

    x-3 = 0 x-3 = 0

    x=3 x=3
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