x(2x-9)=11

Simple and best practice solution for x(2x-9)=11 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 x(2x-9)=11 equation:


Simplifying
x(2x + -9) = 11

Reorder the terms:
x(-9 + 2x) = 11
(-9 * x + 2x * x) = 11
(-9x + 2x2) = 11

Solving
-9x + 2x2 = 11

Solving for variable 'x'.

Reorder the terms:
-11 + -9x + 2x2 = 11 + -11

Combine like terms: 11 + -11 = 0
-11 + -9x + 2x2 = 0

Factor a trinomial.
(-1 + -1x)(11 + -2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(11 + -2x)' equal to zero and attempt to solve: Simplifying 11 + -2x = 0 Solving 11 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -2x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -2x = 0 + -11 -2x = 0 + -11 Combine like terms: 0 + -11 = -11 -2x = -11 Divide each side by '-2'. x = 5.5 Simplifying x = 5.5

Solution

x = {-1, 5.5}

See similar equations:

| s=18.76 | | -2x-2x=-12 | | n+4n=195 | | n*4n=175 | | 5x^2-10x-5=0 | | n+4n=175 | | 2(x+4)=8 | | 2.8m=154 | | 7x+2=37 | | -14=2a | | y-9=-9 | | 3(x-3)=12 | | 6a+5a=22 | | 7m-(m-7)=7(1-5m) | | b+3=19 | | 2(x-4)+6=4x-7 | | 24-x=-16 | | 21-x=-3-5x | | 10x=4x-8x+7 | | 2(3t-4)=22 | | log(3x+4)=-0.3 | | 5m-4n+5m+6n= | | f-32=1.8 | | 2x^3+6x^2+4x=0 | | 2a-4=36 | | 6-17w=-9 | | 4t=-26 | | 10x-4(2x-5)=10 | | 3c^2+6c= | | -2a+6=-16 | | -10+x=-8 | | -3(y-6)+25=8(7-4y) |

Equations solver categories