13x+x^2=-40

Simple and best practice solution for 13x+x^2=-40 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 13x+x^2=-40 equation:


Simplifying
13x + x2 = -40

Solving
13x + x2 = -40

Solving for variable 'x'.

Reorder the terms:
40 + 13x + x2 = -40 + 40

Combine like terms: -40 + 40 = 0
40 + 13x + x2 = 0

Factor a trinomial.
(8 + x)(5 + x) = 0

Subproblem 1

Set the factor '(8 + x)' equal to zero and attempt to solve: Simplifying 8 + x = 0 Solving 8 + x = 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 + x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + x = 0 + -8 x = 0 + -8 Combine like terms: 0 + -8 = -8 x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {-8, -5}

See similar equations:

| 3(r+2)=2(3-r) | | 6y-7x=-12 | | v=1 | | a+8+(-2a)=-7 | | 5a+8+(-2a)=-8 | | 26=-6a+2 | | 11(v+12)=7(1-2v) | | 4x^2-6=3 | | 0=x^2-10x+27 | | 18-10-6W=50 | | y=80+5x | | 2z/3+2/3(2+9z)=13/3+29z/3 | | -24=-8-n | | 3+7(5.3+5)-4= | | -8(x-6)=88 | | 11.50+c=47 | | .875= | | f(x)=x^2-10x+4 | | -7(5x+1)=133 | | 8=4(3c+15) | | 2+9n=146 | | 10x=2.87 | | ln(x+3)-ln^3=ln^12 | | 5(x-3)+4=5x+5 | | 9e-6-3e=30 | | X+8y=-3 | | 7m^2+8m+30=0 | | 5-x=3x+33 | | -5600+200=-2800 | | -24-(-24)= | | F-2.25+0.20(m-1)= | | 2(x+4)=3x(x-2) |

Equations solver categories