2x^2+x-120=0

Simple and best practice solution for 2x^2+x-120=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 2x^2+x-120=0 equation:


Simplifying
2x2 + x + -120 = 0

Reorder the terms:
-120 + x + 2x2 = 0

Solving
-120 + x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-8 + -1x)(15 + -2x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(15 + -2x)' equal to zero and attempt to solve: Simplifying 15 + -2x = 0 Solving 15 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -2x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -2x = 0 + -15 -2x = 0 + -15 Combine like terms: 0 + -15 = -15 -2x = -15 Divide each side by '-2'. x = 7.5 Simplifying x = 7.5

Solution

x = {-8, 7.5}

See similar equations:

| 8h-h=14 | | -5+5=-2-6b+7b | | x^2+34-273=0 | | 0.08(y-9)+0.18y=0.02y-0.03(30) | | h=2t^2-8t+60 | | 3x(9x)+3x(6)=18(20x)+18(4) | | 4(37x-60)=-98x+86 | | 20x-75=-41x+38 | | 250+350=x | | 11=5x+4-6x | | a=(4x+8)(2x+3) | | 11x-4=12(x+1) | | 2(3x-8)=-7x+4 | | 6x-4=-8x+2 | | 6(x+8)+5=53 | | 16=6x+10x | | -2+12x=-34 | | 3(4x-6)=-8x+8 | | 5x+8(8)=0 | | 35-5y=35 | | 10(x^2)+10(4x)+10(4)=40x+80 | | 8(x-1)=7x+3 | | K-16=-99 | | (-9p)(-10+3p)+7p(-9+3p)= | | 9x-5=-5x+10 | | -(-3m+10)-(2m-14)=2(m+3) | | 23x-7-14x+2=19x-8-10x+13 | | 5x+2-(4x-1-9x)=6x-1 | | -2m+14=100 | | 4(2n+5p)-4(3n-6p)=4n-4p | | 165=3(6-7a) | | (2x-3)+(4x-3)= |

Equations solver categories