5-2(3x^2-2x)=x^2+7-2x

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Solution for 5-2(3x^2-2x)=x^2+7-2x equation:


Simplifying
5 + -2(3x2 + -2x) = x2 + 7 + -2x

Reorder the terms:
5 + -2(-2x + 3x2) = x2 + 7 + -2x
5 + (-2x * -2 + 3x2 * -2) = x2 + 7 + -2x
5 + (4x + -6x2) = x2 + 7 + -2x

Reorder the terms:
5 + 4x + -6x2 = 7 + -2x + x2

Solving
5 + 4x + -6x2 = 7 + -2x + x2

Solving for variable 'x'.

Reorder the terms:
5 + -7 + 4x + 2x + -6x2 + -1x2 = 7 + -2x + x2 + -7 + 2x + -1x2

Combine like terms: 5 + -7 = -2
-2 + 4x + 2x + -6x2 + -1x2 = 7 + -2x + x2 + -7 + 2x + -1x2

Combine like terms: 4x + 2x = 6x
-2 + 6x + -6x2 + -1x2 = 7 + -2x + x2 + -7 + 2x + -1x2

Combine like terms: -6x2 + -1x2 = -7x2
-2 + 6x + -7x2 = 7 + -2x + x2 + -7 + 2x + -1x2

Reorder the terms:
-2 + 6x + -7x2 = 7 + -7 + -2x + 2x + x2 + -1x2

Combine like terms: 7 + -7 = 0
-2 + 6x + -7x2 = 0 + -2x + 2x + x2 + -1x2
-2 + 6x + -7x2 = -2x + 2x + x2 + -1x2

Combine like terms: -2x + 2x = 0
-2 + 6x + -7x2 = 0 + x2 + -1x2
-2 + 6x + -7x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-2 + 6x + -7x2 = 0

Begin completing the square.  Divide all terms by
-7 the coefficient of the squared term: 

Divide each side by '-7'.
0.2857142857 + -0.8571428571x + x2 = 0

Move the constant term to the right:

Add '-0.2857142857' to each side of the equation.
0.2857142857 + -0.8571428571x + -0.2857142857 + x2 = 0 + -0.2857142857

Reorder the terms:
0.2857142857 + -0.2857142857 + -0.8571428571x + x2 = 0 + -0.2857142857

Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000
0.0000000000 + -0.8571428571x + x2 = 0 + -0.2857142857
-0.8571428571x + x2 = 0 + -0.2857142857

Combine like terms: 0 + -0.2857142857 = -0.2857142857
-0.8571428571x + x2 = -0.2857142857

The x term is -0.8571428571x.  Take half its coefficient (-0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
-0.8571428571x + 0.1836734694 + x2 = -0.2857142857 + 0.1836734694

Reorder the terms:
0.1836734694 + -0.8571428571x + x2 = -0.2857142857 + 0.1836734694

Combine like terms: -0.2857142857 + 0.1836734694 = -0.1020408163
0.1836734694 + -0.8571428571x + x2 = -0.1020408163

Factor a perfect square on the left side:
(x + -0.4285714286)(x + -0.4285714286) = -0.1020408163

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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