-2x^2+3x+9=

Simple and best practice solution for -2x^2+3x+9= 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+3x+9= equation:


Simplifying
-2x2 + 3x + 9 = 0

Reorder the terms:
9 + 3x + -2x2 = 0

Solving
9 + 3x + -2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(3 + -1x)(3 + 2x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {3, -1.5}

See similar equations:

| 6-2x=-7+6 | | 4-n=10 | | -8x^2+9x+5= | | 8x-14=22 | | 99x+100=1 | | x^2+4x+4=44 | | 4a-1/3-3(a-2)=2 | | x-2y+3z=4 | | 14c+2=4 | | 2a+5=-2 | | 2x^2=22.126*22.125 | | -8=z/4 | | 6.6+x=0.9 | | 5d-3-3d=13 | | y=-32 | | 4b^2-36b+81=0 | | 2+x=x-2 | | 7r-4-8r=5 | | ab-9a+9b-81= | | 8n+2-9n=-8 | | 10x+15=8x+35 | | 5a^2-22a+8= | | (3x+2)(x+5)= | | 6x+1-3x=10 | | a-2-2a=10 | | 4m+2-2m=10 | | x+4=6x+1 | | (8-u)-(5u+1)= | | 2a^3-2ab^2= | | 78-3x=24x+18 | | 4x+6-9=18 | | 8x=9x-3 |

Equations solver categories