2x^2+9x=11

Simple and best practice solution for 2x^2+9x=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 2x^2+9x=11 equation:


Simplifying
2x2 + 9x = 11

Reorder the terms:
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.
(-11 + -2x)(1 + -1x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {-5.5, 1}

See similar equations:

| 9=w-8 | | 198=2b+9 | | .5=4x | | 4a^2+32a=0 | | 23.89-x=14.02 | | 38.16=24.6+3a | | 19+4x=35 | | 7y=50 | | 2t^2+11t+137=0 | | 3(x-10)=8x-60 | | 2x-(x+1)=-3+6(x-3) | | 321-25=x | | (k-4)(k+4)=0 | | 25a^2+60ab+36b^2=equation | | 3+4n=7b | | 3r^2-33r+84=0 | | 11x+-5=-8x+14 | | (15x+4)(12x+6)= | | 5(3+2x)=-(10x+15) | | x+y+2z=5 | | (15x+4)-(12x+6)= | | 3tb=18 | | .20(10h+1)=4h+.20 | | 7v^2+35v+42=0 | | 21-1.5=1.5m | | -9x+10=-6x+5 | | log[4]5x^2-log[4]5=4 | | 2n+5=65 | | (15x+4)+(12x+6)= | | 8k^2+80k+200=0 | | 5p*2=10p+20 | | 7m^2-28m+28=0 |

Equations solver categories