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:
-3x + 2x2 = 20

Solving
-3x + 2x2 = 20

Solving for variable 'x'.

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

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

Factor a trinomial.
(-5 + -2x)(4 + -1x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {-2.5, 4}

See similar equations:

| 6b-2b+6=-10 | | 205=5(1+5v) | | 8-4d=12 | | y=8+6(1-5) | | -35+7x=8(x-4) | | 2[a-1]=3[a+1] | | 9a-(15a-(3b+7a)+(-8b+a)+12b)= | | y=5+5(1-8) | | 7(x+5)-4=87 | | .6(2m-10)=.6m+10 | | 12-4y=16x | | y=-25+4(1+5) | | y=10+3(1-5) | | y=-13+4(1+2) | | h=-16t^2-10t+130 | | y=30-2(1+3) | | -3x+6=-4x-5 | | 2x-(-3x+5y)+(-5x-6y)= | | 7x=-28 | | 7[g-4]=3 | | 5(5x-3)=6(4x+1) | | y=14-2(1-5) | | 2x^2-13x-2=0 | | 4x^12-17x^6-15=0 | | 10x^2+20x=0 | | 5(-8)+8y=0 | | 2+4x-1=x-7+2x | | 9-3y=12x | | 8z=64 | | -1+7z=8z | | y+-1.5(2)=-3 | | 7-3x=-2x |

Equations solver categories