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25 March, 11:11

Solve the quadratic function by completing the square. What are the missing pieces in the steps?

-32 = 2 (x2 + 10x)

-32 +

= 2 (2x2 + 10x + 25)

18 = 2 (x + 5) 2

9 = (x + 5) 2

= x + 5

x=-2 or x =

+1
Answers (1)
  1. 25 March, 11:19
    0
    Step-by-step explanation:

    The solutions are x=/frac{1+/sqrt{7}}{2} and x=/frac{1-/sqrt{7}}{2}
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