x^2-9=x-3

Simple and best practice solution for x^2-9=x-3 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^2-9=x-3 equation:


Simplifying
x2 + -9 = x + -3

Reorder the terms:
-9 + x2 = x + -3

Reorder the terms:
-9 + x2 = -3 + x

Solving
-9 + x2 = -3 + x

Solving for variable 'x'.

Reorder the terms:
-9 + 3 + -1x + x2 = -3 + x + 3 + -1x

Combine like terms: -9 + 3 = -6
-6 + -1x + x2 = -3 + x + 3 + -1x

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

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

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

Factor a trinomial.
(-2 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-2, 3}

See similar equations:

| 86=2+6(8+2x) | | 64=8(r+1) | | 10x-16y=-12 | | 7z-4-2z=6 | | 1/3x-1/2x(x-1/3x)=x-60 | | x+5(-3x-2)=-122 | | 4x+37=x+16 | | 21h=7(h+2) | | 17=14-3x | | 3x+9=2(x+2) | | 67+2.5x=2.5 | | 3.5b-33.4=25.1 | | 9x+8y-8=0 | | 5(k+7)=-10 | | X^2+9=2(x+2) | | 7n^2-25n-12=0 | | 3x+1+(2x+2)=48 | | .2g=-8 | | 6(6v+6)-5=1+v | | -2y+5y=6 | | 11y+4=180 | | 5k^2+36k+7=0 | | F(x)=6x^5-8x^4-6x^3-4x^2 | | 15x+2y=23 | | 3t+13=17 | | x3=343/729 | | (2n)-3/4=51/4 | | 10-3y-7y=3 | | 17=3t+13 | | 4u+16=932 | | 1.5=5d-.5 | | -2z+3+7x=-12 |

Equations solver categories