4x^2+11x-20=0

Simple and best practice solution for 4x^2+11x-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 4x^2+11x-20=0 equation:


Simplifying
4x2 + 11x + -20 = 0

Reorder the terms:
-20 + 11x + 4x2 = 0

Solving
-20 + 11x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -1x)(5 + -4x) = 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 '(5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25

Solution

x = {-4, 1.25}

See similar equations:

| -8x+14=9x+4 | | 2(3x-7)=46 | | 3t+2d=r | | -4+-4x=5-5x | | 8(6x+4)=32-7x | | 25x^2-10x-15=0 | | -8-m=-3 | | -7+6x=4x+17 | | 9(z+1)=-3(5+2) | | 4(n+5)=8 | | 5-z=11 | | 12x^3+23x^2+5x=0 | | 2x+9=X+83 | | 2b=3(a+1)+2 | | 4y=c | | 180=b+150 | | A=PRT | | y=4 | | -1-5x=-6-15x | | 7x-3x-6=6 | | n-2=-32 | | x^2+36y^2=36 | | 52=-48+x | | 52=-48 | | n-6=-19 | | 2(x+5)+3(2x+1)=5x+8 | | -3=x-30 | | 4(3a-1)=5(4a-1)-4(3a-2) | | -15+t=60 | | 7x^2-41x+30=0 | | x-1+8=6x | | -2x-140=-10 |

Equations solver categories