x^2-3x-2=3-x

Simple and best practice solution for x^2-3x-2=3-x 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^2-3x-2=3-x equation:


Simplifying
x2 + -3x + -2 = 3 + -1x

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

Solving
-2 + -3x + x2 = 3 + -1x

Solving for variable 'x'.

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

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

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

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

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

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

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -2x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + -2x + x2 = 0 + 5

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

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

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 5 + 1

Reorder the terms:
1 + -2x + x2 = 5 + 1

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

Factor a perfect square on the left side:
(x + -1)(x + -1) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(x + -1) equal to 2.449489743 and -2.449489743.

Subproblem 1

x + -1 = 2.449489743 Simplifying x + -1 = 2.449489743 Reorder the terms: -1 + x = 2.449489743 Solving -1 + x = 2.449489743 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 2.449489743 + 1 Combine like terms: -1 + 1 = 0 0 + x = 2.449489743 + 1 x = 2.449489743 + 1 Combine like terms: 2.449489743 + 1 = 3.449489743 x = 3.449489743 Simplifying x = 3.449489743

Subproblem 2

x + -1 = -2.449489743 Simplifying x + -1 = -2.449489743 Reorder the terms: -1 + x = -2.449489743 Solving -1 + x = -2.449489743 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -2.449489743 + 1 Combine like terms: -1 + 1 = 0 0 + x = -2.449489743 + 1 x = -2.449489743 + 1 Combine like terms: -2.449489743 + 1 = -1.449489743 x = -1.449489743 Simplifying x = -1.449489743

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.449489743, -1.449489743}

See similar equations:

| 40+0.20x=92 | | 3x-2x=3 | | 2ln(7x)=ln(4x) | | 3+4x=3x-8 | | 21+1.5x=28-2x | | 5t+9+2t=11+5t | | -4(y-2y)+7=-4(5y-y)+4+19y | | x^2-x+x=-1+1-1 | | 2k+3=14 | | -3(x-2)=6x+2 | | 6a+9-4a=13-2a | | 82-5x=7 | | 40x^2-182x+51=0 | | -5+3c=-14 | | 6=x/6+7 | | x(x+5)=12 | | 9-7t=49+t | | 6x+39=14-41 | | x(x+1)=200 | | (3x+5)(8)= | | 8x=168 | | 6(2n+9)=114 | | 7(9x-8)= | | 8x-18=150 | | 2n-9+5n=6+4n | | -4+v/9=2 | | 8x+4y= -56 | | -6y-5=13 | | 6a+12=66 | | 3x+y= -12 | | 6x-7=331 | | 4(2x+4)-2(x-2)=4(x-2) |

Equations solver categories