Posted by Anonymous on Sunday, January 16, 2011 at 9:08pm.
(x+4)^2 = 2x^2 + 19x + 46
(x + 4)(x + 4) = 2x^2 + 19x + 46
x^2 + 8x + 16 = 2x^2 + 19x + 46
collect like terms, then solve
you try and post back if you need help
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