11x-x^2=28

Simple and best practice solution for 11x-x^2=28 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 11x-x^2=28 equation:


Simplifying
11x + -1x2 = 28

Solving
11x + -1x2 = 28

Solving for variable 'x'.

Reorder the terms:
-28 + 11x + -1x2 = 28 + -28

Combine like terms: 28 + -28 = 0
-28 + 11x + -1x2 = 0

Factor a trinomial.
(-7 + x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-7 + x)' equal to zero and attempt to solve: Simplifying -7 + x = 0 Solving -7 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + x = 0 + 7 x = 0 + 7 Combine like terms: 0 + 7 = 7 x = 7 Simplifying x = 7

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {7, 4}

See similar equations:

| 28=11x-x^2 | | x^2-11x-28=0 | | 3y^2-y=5 | | x-x^2+6x=4 | | x-5=x^2-2x-5 | | 2x-4=x^2+x-60 | | 13m+3z+2(z+1)=12 | | 3m^4-7m^2+2=0 | | 25k^2-16=0 | | 2m^2-19m+88=0 | | 0=x^2+120x+3276 | | 0=-x^2+3x | | 0=x^2-4x+4 | | 0=x^2-x+2 | | x-7=4x+5 | | 8d-5c= | | 10-2x=8-3x | | x^2+x=42 | | y=x^2+15x+2 | | 4(x-2)=17 | | 41-8x=6x-23 | | 20-5p=5 | | 2r-1+4r+3r= | | X^3-3X^2+15X-7=0 | | 7x-2+x-4+7x-2+x-4= | | -2.5w=-15 | | 2x+x-6=0 | | -31-7= | | -31=-7+6c | | x^4+x^2-6=0 | | -3b+7-3b=1 | | 5n-2+3n=14 |

Equations solver categories