x^2-11x=(-28)

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


Simplifying
x2 + -11x = (-28)

Reorder the terms:
-11x + x2 = (-28)
-11x + x2 = -28

Solving
-11x + x2 = -28

Solving for variable 'x'.

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

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

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

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 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 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {4, 7}

See similar equations:

| 3-f=6f+24 | | 13-2x=7x+5 | | -7(3v+6)=-7v+28 | | -x-6=-x^2 | | -9w=54 | | -b=-6 | | -8a=64 | | -39+7n=8(2n+3) | | 3(t-6)+5t=4(2t+3)-11 | | -4x+9=3x-12 | | 6c+8=-8+6c | | z^2-3z+5=0 | | 5+5x+3-3x=-6+5x+7-4x | | h+5=-14 | | -4+y=-10 | | -(5y+2)-(-4y-5)=1 | | 5+f=7 | | y=-1E+08x^2+2E+11x-8E+13 | | 5x*2=10x+3 | | 10-x=-6x+15 | | t-18=-9 | | 7y+17-12y=-38 | | -4+r=-12 | | 2(5x+7)= | | -7x+2=170+7x | | (4x+10)+(3x-5)=180 | | 1.7-(-0.8)+4.013=x | | 4p+8p-3=120 | | (2y+28)+(4y+26)=180 | | 12x-5+20x=40 | | (-0.8)+(-7.2)-5.4=x | | 8.2x-3.5x=-94 |

Equations solver categories