x+7-5=x^2

Simple and best practice solution for x+7-5=x^2 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+7-5=x^2 equation:


Simplifying
x + 7 + -5 = x2

Reorder the terms:
7 + -5 + x = x2

Combine like terms: 7 + -5 = 2
2 + x = x2

Solving
2 + x = x2

Solving for variable 'x'.

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

Factor a trinomial.
(2 + -1x)(1 + x) = 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 '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 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 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {2, -1}

See similar equations:

| 7+47x=14x^2 | | 3(1-h)+3=2h-9 | | 34788m=288 | | 0.11x+0.14(4000-x)= | | 19=9-x | | 8-y/2=17 | | 72-26y+2y^2=0 | | 7x^2-x+1-5x^2-9= | | x^2=25k^2x | | 2m+nx=x+4 | | 2m+nx=x+2 | | 9x^2=-12x-4 | | 0.11x+0.14(4000-x)=482 | | 9(7x-3)=50 | | 9x^2=-12-4 | | 56x-80=70 | | 18x^2+4-[6(x^2-2)+5]= | | 9=7z-13z-3 | | 9*20+33=12*20-27 | | 0.11x+0.14(4000-x)482= | | 27x^2-27x-30=0 | | 0.44444444444(x+3)=g | | 8f-(f+8)=34 | | 20m^3=5m | | 8f-(f+9)=34 | | ln(3x+13)=8 | | (b+1)+(b+7)=0 | | 100x^2+35x-30=0 | | .875x+2=x | | z^2-1z=z+1 | | 4n^2-4n-35=0 | | 5x^2-3=32 |

Equations solver categories