2x(x+2)=3x-6

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Solution for 2x(x+2)=3x-6 equation:


Simplifying
2x(x + 2) = 3x + -6

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

Reorder the terms:
4x + 2x2 = -6 + 3x

Solving
4x + 2x2 = -6 + 3x

Solving for variable 'x'.

Reorder the terms:
6 + 4x + -3x + 2x2 = -6 + 3x + 6 + -3x

Combine like terms: 4x + -3x = 1x
6 + 1x + 2x2 = -6 + 3x + 6 + -3x

Reorder the terms:
6 + 1x + 2x2 = -6 + 6 + 3x + -3x

Combine like terms: -6 + 6 = 0
6 + 1x + 2x2 = 0 + 3x + -3x
6 + 1x + 2x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
6 + 1x + 2x2 = 0

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

Divide each side by '2'.
3 + 0.5x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 0.5x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 0.5x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 0.5x + x2 = 0 + -3
0.5x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
0.5x + x2 = -3

The x term is 0.5x.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5x + 0.0625 + x2 = -3 + 0.0625

Reorder the terms:
0.0625 + 0.5x + x2 = -3 + 0.0625

Combine like terms: -3 + 0.0625 = -2.9375
0.0625 + 0.5x + x2 = -2.9375

Factor a perfect square on the left side:
(x + 0.25)(x + 0.25) = -2.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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