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

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


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

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

Remove parenthesis around (3 + -4x + 2x2)
3 + -4x + 2x2 + (-1x2 + 5x + 6) = 0

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

Remove parenthesis around (6 + 5x + -1x2)
3 + -4x + 2x2 + 6 + 5x + -1x2 = 0

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

Combine like terms: 3 + 6 = 9
9 + -4x + 5x + 2x2 + -1x2 = 0

Combine like terms: -4x + 5x = 1x
9 + 1x + 2x2 + -1x2 = 0

Combine like terms: 2x2 + -1x2 = 1x2
9 + 1x + 1x2 = 0

Solving
9 + 1x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + 1x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + 1x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 1x + x2 = 0 + -9
1x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
1x + x2 = -9

The x term is 1x.  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.
x + 0.25 + x2 = -9 + 0.25

Reorder the terms:
0.25 + x + x2 = -9 + 0.25

Combine like terms: -9 + 0.25 = -8.75
0.25 + x + x2 = -8.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -8.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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