X^2-11X+28=4

Simple and best practice solution for X^2-11X+28=4 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=4 equation:


Simplifying
X2 + -11X + 28 = 4

Reorder the terms:
28 + -11X + X2 = 4

Solving
28 + -11X + X2 = 4

Solving for variable 'X'.

Reorder the terms:
28 + -4 + -11X + X2 = 4 + -4

Combine like terms: 28 + -4 = 24
24 + -11X + X2 = 4 + -4

Combine like terms: 4 + -4 = 0
24 + -11X + X2 = 0

Factor a trinomial.
(3 + -1X)(8 + -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 '(8 + -1X)' equal to zero and attempt to solve: Simplifying 8 + -1X = 0 Solving 8 + -1X = 0 Move all terms containing X to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1X = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1X = 0 + -8 -1X = 0 + -8 Combine like terms: 0 + -8 = -8 -1X = -8 Divide each side by '-1'. X = 8 Simplifying X = 8

Solution

X = {3, 8}

See similar equations:

| 19=2n+4 | | 7(4+6x)=28 | | -2/3•3= | | 4*(3*x-5)=9*x-18 | | 7m=3m | | (4v+2)(4+v)=0 | | c-1/4c=75 | | (3/11)•(1/5)= | | (20.1)(0.13)= | | 6-2=5 | | 1+1x=11 | | Z=5i+2iz | | 1x-3=3 | | 13.47*60= | | (36y^7-24y^5)/4y^3 | | 144/36 | | (x-1)/21 | | 1/3x=-1/2x-6 | | 4x+3=60 | | (x-1)/21=32/24 | | (0.3*1,2*20*100)/2 | | 20x+20=25x | | 6y^3-15y^2= | | (x-1)/(6)=16/12 | | (x-1)/6=.5 | | x-3/4y=12 | | (x-1)/6=2 | | 7/x=2-1/x | | x-2/3y=12 | | -4+2x=-8+2x | | 20x+12=28 | | 144/49 |

Equations solver categories