SOLUTION: Is this a quadratic equation? x + 3 = the square root of 44 + 4x. (NOTE: 44 + 4x is all under the radicand. I don't know how to factor it so that I can subtract 3 from both

Question 3161: Is this a quadratic equation? x + 3 = the square root of 44 + 4x.
(NOTE: 44 + 4x is all under the radicand. I don't know how to factor it so that I can subtract 3 from both sides. Would very much appreciate problem detailed on the whole)

Found 2 solutions by longjonsilver, khwang:
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
is the same as . So we then get...

(x+7)(x-5) = 0

so x+7=0 OR x-5=0
so x=-7, x=5

jon.

Answer by khwang(438) (Show Source): You can put this solution on YOUR website!
x=-7 is an invalid answer,
since left hand side = x+3 = - 4
but the right hand sqrt(44 + 4x) = sqrt(44-28) = 4
Kenny

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