80=11x+x^2

Simple and best practice solution for 80=11x+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 80=11x+x^2 equation:


Simplifying
80 = 11x + x2

Solving
80 = 11x + x2

Solving for variable 'x'.

Reorder the terms:
80 + -11x + -1x2 = 11x + -11x + x2 + -1x2

Combine like terms: 11x + -11x = 0
80 + -11x + -1x2 = 0 + x2 + -1x2
80 + -11x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
80 + -11x + -1x2 = 0

Factor a trinomial.
(5 + -1x)(16 + x) = 0

Subproblem 1

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Subproblem 2

Set the factor '(16 + x)' equal to zero and attempt to solve: Simplifying 16 + x = 0 Solving 16 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + x = 0 + -16 x = 0 + -16 Combine like terms: 0 + -16 = -16 x = -16 Simplifying x = -16

Solution

x = {5, -16}

See similar equations:

| 9x-2x+5=x-3+8 | | -11+1+2m+10=m-5 | | 4+10y+9-2y= | | 3+.3x=.15x+.45 | | a+(2a+4)+(2a+4)=48 | | 5ax-y=6 | | 180=x^2+3x | | 22r-24=14r-8 | | -5(-x+7)=40 | | -10-(-10)=x | | 6x+10=11*2 | | 7n+4n-2n+1= | | (2x-2y)(2y+8)= | | F(x)=ln(8x^2-4x+11) | | sin(x)+3cos(x)=3 | | x^2-28x+196-4y^2=0 | | 4p(7m-5n)+5q(-7m+5n)= | | 14+2p=-8 | | 3z^2-24+21= | | 5(z-3)=5z-4 | | 13a^2bc+12= | | 16x=21x | | =-4x+8(y-4)-7-5(x+2)+3y | | 3x+x+3+x+12+x= | | -16t^2+32t-12=0 | | x+12+x+3= | | 3x^2-15x-150=0 | | -1.6x=24x | | -4y^2+34y+24=0 | | 7+x+6+x+x= | | (2x+3)*8=x | | -2z+9z=4z-2+6z |

Equations solver categories