x^2+x-6=1-2x

Simple and best practice solution for x^2+x-6=1-2x 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+x-6=1-2x equation:


Simplifying
x2 + x + -6 = 1 + -2x

Reorder the terms:
-6 + x + x2 = 1 + -2x

Solving
-6 + x + x2 = 1 + -2x

Solving for variable 'x'.

Reorder the terms:
-6 + -1 + x + 2x + x2 = 1 + -2x + -1 + 2x

Combine like terms: -6 + -1 = -7
-7 + x + 2x + x2 = 1 + -2x + -1 + 2x

Combine like terms: x + 2x = 3x
-7 + 3x + x2 = 1 + -2x + -1 + 2x

Reorder the terms:
-7 + 3x + x2 = 1 + -1 + -2x + 2x

Combine like terms: 1 + -1 = 0
-7 + 3x + x2 = 0 + -2x + 2x
-7 + 3x + x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
-7 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + 3x + 7 + x2 = 0 + 7

Reorder the terms:
-7 + 7 + 3x + x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 3x + x2 = 0 + 7
3x + x2 = 0 + 7

Combine like terms: 0 + 7 = 7
3x + x2 = 7

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 = 7 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 7 + 2.25

Combine like terms: 7 + 2.25 = 9.25
2.25 + 3x + x2 = 9.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 9.25

Calculate the square root of the right side: 3.041381265

Break this problem into two subproblems by setting 
(x + 1.5) equal to 3.041381265 and -3.041381265.

Subproblem 1

x + 1.5 = 3.041381265 Simplifying x + 1.5 = 3.041381265 Reorder the terms: 1.5 + x = 3.041381265 Solving 1.5 + x = 3.041381265 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 = 3.041381265 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 3.041381265 + -1.5 x = 3.041381265 + -1.5 Combine like terms: 3.041381265 + -1.5 = 1.541381265 x = 1.541381265 Simplifying x = 1.541381265

Subproblem 2

x + 1.5 = -3.041381265 Simplifying x + 1.5 = -3.041381265 Reorder the terms: 1.5 + x = -3.041381265 Solving 1.5 + x = -3.041381265 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 = -3.041381265 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -3.041381265 + -1.5 x = -3.041381265 + -1.5 Combine like terms: -3.041381265 + -1.5 = -4.541381265 x = -4.541381265 Simplifying x = -4.541381265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.541381265, -4.541381265}

See similar equations:

| 3w^2=5w | | F=30+2c | | an=3an-1+4 | | 6x+8+7x+(-5)=180 | | =0.1x^3+0.2x^2-0.7x+0.1 | | 2x-2=-3+8x | | sin(x)=-0.875 | | (3a+5)-(2a+6)= | | t^3+6t^2-4t-24=0 | | 0.92=cosx | | cos(x)=0.92 | | cosx=0.92 | | (24k+132)=(24k+144) | | r^2+10r-28=0 | | 2x(-3+5)=-5 | | 10-3y/3=4 | | 9x^4+18x^3+38x^2-57x+14=0 | | d^2+50d-8=0 | | 4(a-b)-2(4a-2b)= | | a(a-1)=2.75 | | 325=5q+185 | | 8x=2+6x | | (8x+3)(3x-8)=0 | | 15xy/35zy | | 5x^4+3x^3+4=0 | | 280=-7(6x+2) | | a^2+48a-324=0 | | 1.6=y*1.5 | | 15x-5-16x=-1 | | (x-598)= | | 9(x-5)=8 | | X-5+3x-6=8+7x-25 |

Equations solver categories