Solve the quadratic expression by completing the square.
x2 + 10x – 17 = 7
I did the problem but when I plug my answers into the original equation it doesn't work. this is what i got.
x^2+10x-24=0
(x+2)(x-12)=0
x=-2,12

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You need to change the signs...(x + 2)(x -12) = x^2 - 10x -24!

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