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

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


Simplifying
x2 + (2x + -5) + -4x2 = 0

Reorder the terms:
x2 + (-5 + 2x) + -4x2 = 0

Remove parenthesis around (-5 + 2x)
x2 + -5 + 2x + -4x2 = 0

Reorder the terms:
-5 + 2x + x2 + -4x2 = 0

Combine like terms: x2 + -4x2 = -3x2
-5 + 2x + -3x2 = 0

Solving
-5 + 2x + -3x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
1.666666667 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + -0.6666666667x + -1.666666667 + x2 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + -0.6666666667x + x2 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + -0.6666666667x + x2 = 0 + -1.666666667
-0.6666666667x + x2 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
-0.6666666667x + x2 = -1.666666667

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = -1.666666667 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = -1.666666667 + 0.1111111112

Combine like terms: -1.666666667 + 0.1111111112 = -1.5555555558
0.1111111112 + -0.6666666667x + x2 = -1.5555555558

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = -1.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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