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

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Solution for (4x^2+5x-6)-(3x^2+2x-1)=0 equation:


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

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

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

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

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

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

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

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

Solving
-5 + 3x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + 3x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + 3x + x2 = 0 + 5

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

Combine like terms: 0 + 5 = 5
3x + x2 = 5

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 5 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 5 + 2.25

Combine like terms: 5 + 2.25 = 7.25
2.25 + 3x + x2 = 7.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 7.25

Calculate the square root of the right side: 2.692582404

Break this problem into two subproblems by setting 
(x + 1.5) equal to 2.692582404 and -2.692582404.

Subproblem 1

x + 1.5 = 2.692582404 Simplifying x + 1.5 = 2.692582404 Reorder the terms: 1.5 + x = 2.692582404 Solving 1.5 + x = 2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 2.692582404 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 2.692582404 + -1.5 x = 2.692582404 + -1.5 Combine like terms: 2.692582404 + -1.5 = 1.192582404 x = 1.192582404 Simplifying x = 1.192582404

Subproblem 2

x + 1.5 = -2.692582404 Simplifying x + 1.5 = -2.692582404 Reorder the terms: 1.5 + x = -2.692582404 Solving 1.5 + x = -2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -2.692582404 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -2.692582404 + -1.5 x = -2.692582404 + -1.5 Combine like terms: -2.692582404 + -1.5 = -4.192582404 x = -4.192582404 Simplifying x = -4.192582404

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.192582404, -4.192582404}

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