4x^2-(x-1)=3x(x-2)

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Solution for 4x^2-(x-1)=3x(x-2) equation:


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

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

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

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

Solving
1 + -1x + 4x2 = -6x + 3x2

Solving for variable 'x'.

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

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

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

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

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

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

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 5x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + 5x + x2 = 0 + -1

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

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

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = -1 + 6.25

Reorder the terms:
6.25 + 5x + x2 = -1 + 6.25

Combine like terms: -1 + 6.25 = 5.25
6.25 + 5x + x2 = 5.25

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 5.25

Calculate the square root of the right side: 2.291287847

Break this problem into two subproblems by setting 
(x + 2.5) equal to 2.291287847 and -2.291287847.

Subproblem 1

x + 2.5 = 2.291287847 Simplifying x + 2.5 = 2.291287847 Reorder the terms: 2.5 + x = 2.291287847 Solving 2.5 + x = 2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 2.291287847 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 2.291287847 + -2.5 x = 2.291287847 + -2.5 Combine like terms: 2.291287847 + -2.5 = -0.208712153 x = -0.208712153 Simplifying x = -0.208712153

Subproblem 2

x + 2.5 = -2.291287847 Simplifying x + 2.5 = -2.291287847 Reorder the terms: 2.5 + x = -2.291287847 Solving 2.5 + x = -2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -2.291287847 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -2.291287847 + -2.5 x = -2.291287847 + -2.5 Combine like terms: -2.291287847 + -2.5 = -4.791287847 x = -4.791287847 Simplifying x = -4.791287847

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.208712153, -4.791287847}

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