Posted by tanya on Thursday, February 16, 2012 at 12:18pm.
I'll do one by completing the square. Use the same method for the others. Come on back if you run into trouble.
x^2 + 16x = 36
x^2 + 16x + 64 = 36+64
(x+8)^2 = 100
x+8 = ±10
x = -8 ± 10
x = -18,2
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