SOLUTION: solve (x-2)^2=10

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Question 120795:
solve (x-2)^2=10
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(X-2)^2=10
X^2-4X+4-10=0
X^2-4X-6=0
USING THE QUADRATIC EQUATION WE GET:x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(4+-SQRT[-4^2-4*1*-6])/2*1
X=(4+-SQRT[16+24])/2
X=(4+-SQRT40)/2
X=(4+-6.235)/2
X=(4+6.235)/2
X=10.235/2
X=5.16 ANSWER.
X=(4-6.235)/2
X=-2.235/2
X=-1.16 ANSWER.