SOLUTION: solve the equation by completing the square: x^2+8x=14

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Question 888748: solve the equation by completing the square: x^2+8x=14
Found 2 solutions by josgarithmetic, LinnW:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+8x=14
(8/2)^2 = 4^2 = 16
so
add 16 to each side
x^2+8x+16=30
(x+4)(x+4) = 30
(x+4)^2 = 30
take square root of each side
x+%2B+4+=+sqrt%2830%29
or
x+%2B+4+=+-sqrt%2830%29
so
x+=+-4+%2B+sqrt%2830%29
or
x+=+-4+-sqrt%2830%29