-9x^2-36x-20=0

Simple and best practice solution for -9x^2-36x-20=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^2-36x-20=0 equation:


Simplifying
-9x2 + -36x + -20 = 0

Reorder the terms:
-20 + -36x + -9x2 = 0

Solving
-20 + -36x + -9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(20 + 36x + 9x2) = 0

Factor a trinomial.
-1((10 + 3x)(2 + 3x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(10 + 3x)' equal to zero and attempt to solve: Simplifying 10 + 3x = 0 Solving 10 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 3x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 3x = 0 + -10 3x = 0 + -10 Combine like terms: 0 + -10 = -10 3x = -10 Divide each side by '3'. x = -3.333333333 Simplifying x = -3.333333333

Subproblem 2

Set the factor '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-3.333333333, -0.6666666667}

See similar equations:

| 3y-12x=21 | | 12x+8y=7 | | 106=-6x-2(2x+7) | | 3x^2+20x-2=0 | | x^2+2x+3=11 | | 3y*2u^9*4y^2u^2= | | 4+3x/7+3-x/2=37/14 | | 6+3z-2=9z+13-7z | | 2+3/7+3-x/3=11/21 | | 30-(x+8)=6x-6 | | y/18=-5 | | 1.2q-5.8-4.6q=-4.4q-1.5 | | p^3+8p^2+16p+6=0 | | 2x+5=17x+8 | | [x+2]+5=7 | | 2x+5=17x | | 4x^2-20xy+25y^2-15x-6y=0 | | p^2-10p-84=-10 | | n^2-6n-20=7 | | m/6=13 | | 4=8(s-1)-29 | | 7x^2=6x+21 | | 30(t+6)=-18 | | 7*6*6-4*4=140 | | (13x-2)+39=180 | | X^3+2X^2-10X+8=0 | | 4.8=f-8.7 | | 10*10-5*5=75 | | 6x+16+2x+12=180 | | y=-0.1x^2+x+2 | | 8*43+68-14=398 | | 0.01-0.01(x+2)=-0.03(3-x) |

Equations solver categories