2x^2+5x-3+4x^2-x+6=

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Solution for 2x^2+5x-3+4x^2-x+6= equation:


Simplifying
2x2 + 5x + -3 + 4x2 + -1x + 6 = 0

Reorder the terms:
-3 + 6 + 5x + -1x + 2x2 + 4x2 = 0

Combine like terms: -3 + 6 = 3
3 + 5x + -1x + 2x2 + 4x2 = 0

Combine like terms: 5x + -1x = 4x
3 + 4x + 2x2 + 4x2 = 0

Combine like terms: 2x2 + 4x2 = 6x2
3 + 4x + 6x2 = 0

Solving
3 + 4x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
0.5 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + 0.6666666667x + -0.5 + x2 = 0 + -0.5

Reorder the terms:
0.5 + -0.5 + 0.6666666667x + x2 = 0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + 0.6666666667x + x2 = 0 + -0.5
0.6666666667x + x2 = 0 + -0.5

Combine like terms: 0 + -0.5 = -0.5
0.6666666667x + x2 = -0.5

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 = -0.5 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = -0.5 + 0.1111111112

Combine like terms: -0.5 + 0.1111111112 = -0.3888888888
0.1111111112 + 0.6666666667x + x2 = -0.3888888888

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = -0.3888888888

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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