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2 January, 21:12

This is Josh's solution for the equation x^2+12x+32=0:

x^2+12x+32=0

x^2+12x=-32

x^2+12x+36=-32+36

(x+6) ^2=4

x+6=4

x=-2

x+6=-4

x=-10

Is Josh's solution correct? Explain why or why not.

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Answers (2)
  1. 2 January, 23:36
    0
    The answer is x=10 because I did the math in my brain so fast
  2. 2 January, 23:42
    0
    x²+12x+32=0

    x²+12x=-32

    x²+12x+36=-32+36

    (x+6) ²=4 all after this part is wrong, it should be √ (x+6) ² = + / - √4

    x+6=+/-2, x1=2-6=-4, x2=-2-6=-8

    x+6=4 wrong!

    x=-2

    x+6=-4

    x=-10
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