x+7=x^2+5

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


Simplifying
x + 7 = x2 + 5

Reorder the terms:
7 + x = x2 + 5

Reorder the terms:
7 + x = 5 + x2

Solving
7 + x = 5 + x2

Solving for variable 'x'.

Reorder the terms:
7 + -5 + x + -1x2 = 5 + x2 + -5 + -1x2

Combine like terms: 7 + -5 = 2
2 + x + -1x2 = 5 + x2 + -5 + -1x2

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

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

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:

| -2-8=7x+4-6x | | 1.85*10^-14/x^3 | | d^4-6d^3-4d^2+24d=0 | | 30+5y-11=17y-11-2y | | -25-(-18)=x/12 | | 3+2(4x-4)=7-3(2x+1) | | x/4=18/6 | | 5(4x-7)-6=5(x-3)+64 | | 2.23=A/740 | | 6+2x-6=2x^2 | | 5/8x-1=-3x-3/4 | | 110=10(x-65)+60 | | 2(x+1)=7(x-3)-2 | | -2x-6x+26=2x+32 | | 8(x+9)=31 | | 13=n/5 | | i^2+zi+-1=0 | | 7-5x+9+4x+2=5+3*4 | | 5s+5p=tp-5forp | | 12y-4=8y | | 12xB+5= | | 1x/3=12 | | 8/9=65/X | | 3a^2+a^2+a+6= | | 8=5+3v | | (c+3)*(c-3)=0 | | 7x-19+21+10x=15 | | X-2x+3x=12 | | 7x+7y=210 | | 3c=c-8 | | 10m^2=-28-16 | | 8/9=65/× |

Equations solver categories