12x+9-5x^2=0

Simple and best practice solution for 12x+9-5x^2=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 12x+9-5x^2=0 equation:


Simplifying
12x + 9 + -5x2 = 0

Reorder the terms:
9 + 12x + -5x2 = 0

Solving
9 + 12x + -5x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + -1x)(3 + 5x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(3 + 5x)' equal to zero and attempt to solve: Simplifying 3 + 5x = 0 Solving 3 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 5x = 0 + -3 5x = 0 + -3 Combine like terms: 0 + -3 = -3 5x = -3 Divide each side by '5'. x = -0.6 Simplifying x = -0.6

Solution

x = {3, -0.6}

See similar equations:

| -8x+9x=-2 | | 5n+1=2n+3 | | 6.7x-3.4=16.7 | | 5x-9+4x=3x+30 | | 7p-23=-17+8p | | 2v+7=5v+4 | | 45=360+x | | 2r-16=-6+4r | | 4g+20=10g+5 | | Y=8sec(5x) | | 2(x-7)-9=-23 | | 5(3x+2)=7 | | 3n+2=1n+12 | | (x+10)(x+5)+(x+-3)(x+12)+(x+11)(x+30)=106 | | 2x^4=35 | | 1n+9=4n+3 | | -16x^2+240x+20=0 | | 2.5x+2.4=7.8 | | 4m-8+2m=2(3m-4) | | 3x^2-3=2x-1 | | 3n+6=4n+1 | | 5-21=2a | | solvex+0.08(60)=0.20(60+x) | | 3(x+5)=x+3+2x | | Sen(2x)+sen(4x)=0 | | 47.1=29.7-0.2x | | -47(x-11)-34=10-12 | | 2m-28=9m | | 2-7k=-4(k+1)-3 | | 4(x-8)=2x+6-x | | 3z-19=123 | | 2[t-(2t+8)+6]=2(t+2) |

Equations solver categories