2x+5+5x+3=x^2

Simple and best practice solution for 2x+5+5x+3=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 2x+5+5x+3=x^2 equation:


Simplifying
2x + 5 + 5x + 3 = x2

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

Combine like terms: 5 + 3 = 8
8 + 2x + 5x = x2

Combine like terms: 2x + 5x = 7x
8 + 7x = x2

Solving
8 + 7x = x2

Solving for variable 'x'.

Combine like terms: x2 + -1x2 = 0
8 + 7x + -1x2 = 0

Factor a trinomial.
(8 + -1x)(1 + x) = 0

Subproblem 1

Set the factor '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

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 = {8, -1}

See similar equations:

| 4b-2=-3 | | x*x+12*12=13*13 | | -(h-10)=7 | | 32=3x+20 | | -20=-5m | | 39.99x+.15x=45 | | -3.2=8y | | 3.2=8y | | x+6=60 | | 8x-4x+3y-2=5x-4y+3 | | x+x+75000=550000000 | | -7w+4=-7-8w | | -.625w=-15 | | x+2x+(4x+2)=30 | | 8(4x-3)=4(8x+2) | | 5x+9+6=1 | | 3y^2+x-2=0 | | 5m+5=3m+10 | | 5x-y=14 | | -(5y+3)-(-4y-8)=1 | | x*x+12=16 | | x+6=21 | | 5+2r-4=9r+3-6r | | 1.3u=20 | | 5c+6=8 | | 1.8h+2.8=2.5h+2.1 | | 6x-8=7x-6 | | -7(3x+6)=-294 | | 0.11x+0.12(x+4.000)=940 | | 7(76+11)=-7(1-10b)-7b | | 6w^4-33w^3-18w^2=0 | | x+x+14=260 |

Equations solver categories