3x-(-2+4x)x=5

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Solution for 3x-(-2+4x)x=5 equation:


Simplifying
3x + -1(-2 + 4x) * x = 5

Reorder the terms for easier multiplication:
3x + -1x(-2 + 4x) = 5
3x + (-2 * -1x + 4x * -1x) = 5
3x + (2x + -4x2) = 5

Combine like terms: 3x + 2x = 5x
5x + -4x2 = 5

Solving
5x + -4x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + 5x + -4x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 5x + -4x2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
1.25 + -1.25x + x2 = 0

Move the constant term to the right:

Add '-1.25' to each side of the equation.
1.25 + -1.25x + -1.25 + x2 = 0 + -1.25

Reorder the terms:
1.25 + -1.25 + -1.25x + x2 = 0 + -1.25

Combine like terms: 1.25 + -1.25 = 0.00
0.00 + -1.25x + x2 = 0 + -1.25
-1.25x + x2 = 0 + -1.25

Combine like terms: 0 + -1.25 = -1.25
-1.25x + x2 = -1.25

The x term is -1.25x.  Take half its coefficient (-0.625).
Square it (0.390625) and add it to both sides.

Add '0.390625' to each side of the equation.
-1.25x + 0.390625 + x2 = -1.25 + 0.390625

Reorder the terms:
0.390625 + -1.25x + x2 = -1.25 + 0.390625

Combine like terms: -1.25 + 0.390625 = -0.859375
0.390625 + -1.25x + x2 = -0.859375

Factor a perfect square on the left side:
(x + -0.625)(x + -0.625) = -0.859375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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