-9x^2+36x+13=0

Simple and best practice solution for -9x^2+36x+13=0 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 -9x^2+36x+13=0 equation:


Simplifying
-9x2 + 36x + 13 = 0

Reorder the terms:
13 + 36x + -9x2 = 0

Solving
13 + 36x + -9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(13 + -3x)(1 + 3x) = 0

Subproblem 1

Set the factor '(13 + -3x)' equal to zero and attempt to solve: Simplifying 13 + -3x = 0 Solving 13 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + -3x = 0 + -13 Combine like terms: 13 + -13 = 0 0 + -3x = 0 + -13 -3x = 0 + -13 Combine like terms: 0 + -13 = -13 -3x = -13 Divide each side by '-3'. x = 4.333333333 Simplifying x = 4.333333333

Subproblem 2

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {4.333333333, -0.3333333333}

See similar equations:

| 2x+18=11x-54 | | 3X^2-30X+12=0 | | 254-5x=40x+24 | | 118-6x=2x+14 | | 2x^2-55x+15=122 | | -5t-7t=144 | | 49y^2-4=0 | | 49y^2-4= | | 7y+18y= | | 6r-5=7-2r | | 7y+8y= | | 10u^5x^8y+25xy^4=0 | | 64a^2b^3+27a^5=0 | | m=4h+1 | | 5x^2-3=6x | | 74=-p | | -152-10x=7x+16 | | y+3x=6 | | 9c=-63 | | 109-4x=4x+21 | | -24+8= | | 3a+4b-2a-b= | | -8+t=-24 | | 74-6x=21x+17 | | 5-8x=69-22x | | -16=-x | | 4a(5a)= | | 6x+14=70-8x | | 15x-2=45x+16 | | (4a)(5b)= | | -8-5x=13-18x | | 8v^2-50=0 |

Equations solver categories