9=-x^2+6x

Simple and best practice solution for 9=-x^2+6x 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 9=-x^2+6x equation:


Simplifying
9 = -1x2 + 6x

Reorder the terms:
9 = 6x + -1x2

Solving
9 = 6x + -1x2

Solving for variable 'x'.

Reorder the terms:
9 + -6x + x2 = 6x + -6x + -1x2 + x2

Combine like terms: 6x + -6x = 0
9 + -6x + x2 = 0 + -1x2 + x2
9 + -6x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
9 + -6x + x2 = 0

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

Solution

x = {3, 3}

See similar equations:

| 5(a-5)=7a+(1+a) | | -8(4+6k)=160 | | 14-p=-(-2p-16) | | -16=-3a+8a | | 4x^2+1=145 | | 5w-w+7w= | | 15=n+1.25(14-n) | | 14+p= | | 25-9x=5(6x+2) | | 25n^3=9n | | 13x+6=-1x-3 | | 11a+9=1a-5 | | 4*x-3=11*x | | -x+12=x+8 | | 5+2x-2=9x+19-3x | | 0=26t-0.83t^2 | | -5x+1.25=6.3 | | 3+16z-1=9z+80-6z | | 11x+1=1x-13 | | 2x^2+2y^2+20x+12y+50=0 | | 13a+7=-2a-2 | | x-7=1.26 | | 2(5x-8)=14 | | f(x)=15-5x | | 30u^2y+u^2y= | | 9+9q=14+18q | | 4(8-3x)-2(6x+5)=46 | | -0.66(5p-16)=10 | | 6=-d+7 | | -3y=1.83 | | -8+3x=-32-18x | | 3(5x+14)=267 |

Equations solver categories