2x(x+3)=4x-3

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Solution for 2x(x+3)=4x-3 equation:


Simplifying
2x(x + 3) = 4x + -3

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

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

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

Solving for variable 'x'.

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

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

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

Combine like terms: -3 + 3 = 0
3 + 2x + 2x2 = 0 + 4x + -4x
3 + 2x + 2x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
3 + 2x + 2x2 = 0

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

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

Move the constant term to the right:

Add '-1.5' to each side of the equation.
1.5 + x + -1.5 + x2 = 0 + -1.5

Reorder the terms:
1.5 + -1.5 + x + x2 = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + x + x2 = 0 + -1.5
x + x2 = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
x + x2 = -1.5

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

Add '0.25' to each side of the equation.
 + 0.25 + x2 = -1.5 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = -1.5 + 0.25

Combine like terms: -1.5 + 0.25 = -1.25
1.25 + x2 = -1.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -1.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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