2x^2-11x=90

Simple and best practice solution for 2x^2-11x=90 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^2-11x=90 equation:


Simplifying
2x2 + -11x = 90

Reorder the terms:
-11x + 2x2 = 90

Solving
-11x + 2x2 = 90

Solving for variable 'x'.

Reorder the terms:
-90 + -11x + 2x2 = 90 + -90

Combine like terms: 90 + -90 = 0
-90 + -11x + 2x2 = 0

Factor a trinomial.
(-9 + -2x)(10 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -2x)' equal to zero and attempt to solve: Simplifying -9 + -2x = 0 Solving -9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -2x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -2x = 0 + 9 -2x = 0 + 9 Combine like terms: 0 + 9 = 9 -2x = 9 Divide each side by '-2'. x = -4.5 Simplifying x = -4.5

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-4.5, 10}

See similar equations:

| h-75=100+56 | | a+5=15 | | t-28=102 | | 15x-9-4x+2=11x-7 | | 20+11=f-14 | | a-3=-6 | | d+-6=15 | | c-3=28+4 | | 8x+5=2x+23 | | x+2(x+4)=29 | | 3x^2+14x-5=0 | | 200-25=g-83 | | 81=m-38 | | y+5x+6y+9-6= | | x-(3x-4)=3-6 | | 80=e-26 | | 2x-21x+10=0 | | x-14=36 | | x+2(x+1)=29 | | 4x=x+8 | | 30x=5x+50 | | 117=w-83 | | 6x+10=34+2x | | 163=a-27 | | -3(10p-6)=4(p-4) | | 6x+15-4x+15=-2 | | 42=r-12 | | b-8=15 | | -720=x-9x | | X+6(x-1)=7(3+x) | | 25500+2000x=47900-800x | | 7x=-10y+280 |

Equations solver categories