20x^2-39x-11=0

Simple and best practice solution for 20x^2-39x-11=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 20x^2-39x-11=0 equation:


Simplifying
20x2 + -39x + -11 = 0

Reorder the terms:
-11 + -39x + 20x2 = 0

Solving
-11 + -39x + 20x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -4x)(11 + -5x) = 0

Subproblem 1

Set the factor '(-1 + -4x)' equal to zero and attempt to solve: Simplifying -1 + -4x = 0 Solving -1 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -4x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -4x = 0 + 1 -4x = 0 + 1 Combine like terms: 0 + 1 = 1 -4x = 1 Divide each side by '-4'. x = -0.25 Simplifying x = -0.25

Subproblem 2

Set the factor '(11 + -5x)' equal to zero and attempt to solve: Simplifying 11 + -5x = 0 Solving 11 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -5x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -5x = 0 + -11 -5x = 0 + -11 Combine like terms: 0 + -11 = -11 -5x = -11 Divide each side by '-5'. x = 2.2 Simplifying x = 2.2

Solution

x = {-0.25, 2.2}

See similar equations:

| -30a=8-4a-1 | | 0.5+6.4=4.9-.1 | | 7(x+1)-7=3x+4(1+x) | | P-3800p=0 | | 23-11c/2=12 | | -2x+9=7x-26 | | 3(7x+9)=-17 | | 2(n+2)=-5n-5 | | 4(3x+6)=24 | | 4(3x+6)=50 | | 7.8+(-9.3)= | | 8a=1(9a-2) | | 80w=420 | | 9a-2=-26 | | 9(2n+3)=9(9n+4)+4 | | 8(-6x-1)=-8 | | -5x-3=87+5x | | v-6=-14 | | 6(x+2)+3x=42 | | 2(3d-3)-5=-32 | | 2y=80 | | 8x-20=3(2x-6)+2x-2 | | 3/2(x)-13= | | 2r/3+3=7 | | -22=6x+3x+5 | | 5(2x+1)+3(x+3)=40 | | 4=9u-32 | | 3.3x=108.9 | | x/3+7=10 | | 0.5p^2+1900p=0 | | 13=3d-5 | | n/4+9=11 |

Equations solver categories