-2x^2=-3x-20

Simple and best practice solution for -2x^2=-3x-20 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 -2x^2=-3x-20 equation:


Simplifying
-2x2 = -3x + -20

Reorder the terms:
-2x2 = -20 + -3x

Solving
-2x2 = -20 + -3x

Solving for variable 'x'.

Reorder the terms:
20 + 3x + -2x2 = -20 + -3x + 20 + 3x

Reorder the terms:
20 + 3x + -2x2 = -20 + 20 + -3x + 3x

Combine like terms: -20 + 20 = 0
20 + 3x + -2x2 = 0 + -3x + 3x
20 + 3x + -2x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
20 + 3x + -2x2 = 0

Factor a trinomial.
(4 + -1x)(5 + 2x) = 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 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 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 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Solution

x = {4, -2.5}

See similar equations:

| 5.4a+8.2=a-2.8 | | 19+x=21 | | 9a^2+12a+4=0 | | t^2+8t+1=0 | | y=24x-45 | | 2s(5s+3)=0 | | 6x+11=6x+9 | | y=(-3+1)(-3+1)-12 | | b=.5gv | | x(x+3)=270 | | 9v^3=144v | | 11xy+5+2xy+6= | | -24x+6y=-12 | | (x^2+10x+25)+3=(x^2-4x+4) | | 2-3x+12=8 | | z+4/7+z/6=z+8/3+5 | | -3(4y-4)=3(1-5y)+11 | | 7=x+0.33x | | 1=0.5(4x+2) | | 14=w(w-5) | | 2(4a-5)=14 | | 6p-75=4p+25 | | .5x+5=12 | | 4(n-3)= | | 2y-2=6y+14 | | 2x-23=1099 | | -3-5=3x+5x-12x | | 3+(2+n)=10 | | 18x-12+5x=57 | | -4r-6(4r+7)=39-r | | d+(-9)=5 | | -7+3m=-13+m |

Equations solver categories