2x^2=11x+40

Simple and best practice solution for 2x^2=11x+40 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+40 equation:


Simplifying
2x2 = 11x + 40

Reorder the terms:
2x2 = 40 + 11x

Solving
2x2 = 40 + 11x

Solving for variable 'x'.

Reorder the terms:
-40 + -11x + 2x2 = 40 + 11x + -40 + -11x

Reorder the terms:
-40 + -11x + 2x2 = 40 + -40 + 11x + -11x

Combine like terms: 40 + -40 = 0
-40 + -11x + 2x2 = 0 + 11x + -11x
-40 + -11x + 2x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
-40 + -11x + 2x2 = 0

Factor a trinomial.
(-5 + -2x)(8 + -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 '(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

Solution

x = {-2.5, 8}

See similar equations:

| -2y-23=(4y+4) | | 2x^2+3=11 | | -3x-14(x+2)=-2(8x+3) | | x^2=-245 | | -6y+6=-2(4y+4) | | 5q=15 | | 3n^2-4n=5 | | 5*7*n=385 | | 7.8p-4=10 | | 4x^2+9=13 | | x^3-9x^2+24x-16=0 | | 7z-14-2z+4=0 | | 3(x+8)=-5(3x-6)+2x | | m^2=9 | | 7x=98 | | x^2+15=0 | | 12x-7=5+10x | | 5x+y=14.90 | | 18y+14= | | -20(3x-31)=-10x+40 | | -5(x+1)+3x+3x+2=6x+4 | | 5x-y=14.90 | | 2k^2+k-6=0 | | 7x+4+3(x+8)=180 | | -x+7=-8 | | 5(2x+3)=14x-5 | | 6x+12=-31+13 | | 1half(x-5)-5=6x+7.4-4x | | -3(x+5)=-45 | | 4(x+5)=3x | | 3v-2+2(6v+4)=-3(v+1) | | t^6+2t^3=35 |

Equations solver categories