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

Simple and best practice solution for x^2+5x-6=2x-4 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

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


Simplifying
x2 + 5x + -6 = 2x + -4

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

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

Solving
-6 + 5x + x2 = -4 + 2x

Solving for variable 'x'.

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

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

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

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

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

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

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + 3x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + 3x + x2 = 0 + 2

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

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

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 = 2 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 2 + 2.25

Combine like terms: 2 + 2.25 = 4.25
2.25 + 3x + x2 = 4.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(x + 1.5) equal to 2.061552813 and -2.061552813.

Subproblem 1

x + 1.5 = 2.061552813 Simplifying x + 1.5 = 2.061552813 Reorder the terms: 1.5 + x = 2.061552813 Solving 1.5 + x = 2.061552813 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 = 2.061552813 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 2.061552813 + -1.5 x = 2.061552813 + -1.5 Combine like terms: 2.061552813 + -1.5 = 0.561552813 x = 0.561552813 Simplifying x = 0.561552813

Subproblem 2

x + 1.5 = -2.061552813 Simplifying x + 1.5 = -2.061552813 Reorder the terms: 1.5 + x = -2.061552813 Solving 1.5 + x = -2.061552813 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 = -2.061552813 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -2.061552813 + -1.5 x = -2.061552813 + -1.5 Combine like terms: -2.061552813 + -1.5 = -3.561552813 x = -3.561552813 Simplifying x = -3.561552813

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.561552813, -3.561552813}

See similar equations:

| 8x-14x= | | -6x+9=39 | | 0=-16t+135t+76 | | 3x^2-2x-8=0 | | 4a-3+7a-1= | | 5y-y= | | 10n-25=65 | | 3(4x+2)=18 | | 6m+m= | | 28=5x-2 | | 5x+6y=-34 | | 3(x+4)=6 | | 3x^2-6x-105=0 | | 2x^2=34x-120 | | 6[1-(4y-3)]=8(4-2y) | | 4x-2.5=-12.9 | | -5x+8=-22 | | n-30=50 | | 2x+21=10x-43 | | n-12=13 | | 8x+6=3x+41 | | 3-9x=7-6x | | 86-4x=23x+23 | | 12-7x=29-14x | | -139-8x=8x+21 | | 62-2x=3x+7 | | 3p-2=2p+1 | | R=70x-0.002x^2 | | 2x^7-2x^5-24x^3=0 | | 3x+x= | | 10-5b=-8-14b | | x(9x-17)=2 |

Equations solver categories