9x^2+16x-80=0

Simple and best practice solution for 9x^2+16x-80=0 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 9x^2+16x-80=0 equation:


Simplifying
9x2 + 16x + -80 = 0

Reorder the terms:
-80 + 16x + 9x2 = 0

Solving
-80 + 16x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(20 + -9x) = 0

Subproblem 1

Set the factor '(-4 + -1x)' equal to zero and attempt to solve: Simplifying -4 + -1x = 0 Solving -4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1x = 0 + 4 -1x = 0 + 4 Combine like terms: 0 + 4 = 4 -1x = 4 Divide each side by '-1'. x = -4 Simplifying x = -4

Subproblem 2

Set the factor '(20 + -9x)' equal to zero and attempt to solve: Simplifying 20 + -9x = 0 Solving 20 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -9x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -9x = 0 + -20 -9x = 0 + -20 Combine like terms: 0 + -20 = -20 -9x = -20 Divide each side by '-9'. x = 2.222222222 Simplifying x = 2.222222222

Solution

x = {-4, 2.222222222}

See similar equations:

| 2y+y=66 | | 0.5(4n-6)=7 | | 4(2v-7)=36 | | 2x*2-4x+3=0 | | 2x-4x+3=0 | | 6-(x+3)-4x= | | 2x^3-2x^2-10x-6=0 | | 5x-7=56 | | x^3+8i=0 | | 4x-5y+3x-2y= | | 15a-12b-(a-3b)-(9a+6b)= | | 3x+56=65 | | 3x+2=o | | (3a+7)+(5a-9)= | | 250-x^2=150 | | 3x+4+5x= | | r^2+r+240=0 | | 17x-7x=10 | | r^2+r-462=0 | | 9-5x-(4x-1)=4 | | ln(2x)+ln(3x)=ln(7x) | | x^2+5x-35=0 | | 5x-8=6x | | 3(6-4x)=2(-6x-19) | | (12x^2)-200x+625=0 | | 4(4-2d)=1-3d | | (4x^3)-(100x^2)+625x=0 | | 4x-1=-25 | | 3w-7=9-3w | | 9-8x=57-36x | | x+-4.9=6.1 | | x*x*x*4+2*x=5 |

Equations solver categories