x^2+6x-27=3x-5

Simple and best practice solution for x^2+6x-27=3x-5 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+6x-27=3x-5 equation:


Simplifying
x2 + 6x + -27 = 3x + -5

Reorder the terms:
-27 + 6x + x2 = 3x + -5

Reorder the terms:
-27 + 6x + x2 = -5 + 3x

Solving
-27 + 6x + x2 = -5 + 3x

Solving for variable 'x'.

Reorder the terms:
-27 + 5 + 6x + -3x + x2 = -5 + 3x + 5 + -3x

Combine like terms: -27 + 5 = -22
-22 + 6x + -3x + x2 = -5 + 3x + 5 + -3x

Combine like terms: 6x + -3x = 3x
-22 + 3x + x2 = -5 + 3x + 5 + -3x

Reorder the terms:
-22 + 3x + x2 = -5 + 5 + 3x + -3x

Combine like terms: -5 + 5 = 0
-22 + 3x + x2 = 0 + 3x + -3x
-22 + 3x + x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
-22 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '22' to each side of the equation.
-22 + 3x + 22 + x2 = 0 + 22

Reorder the terms:
-22 + 22 + 3x + x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 3x + x2 = 0 + 22
3x + x2 = 0 + 22

Combine like terms: 0 + 22 = 22
3x + x2 = 22

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 22 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 22 + 2.25

Combine like terms: 22 + 2.25 = 24.25
2.25 + 3x + x2 = 24.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 24.25

Calculate the square root of the right side: 4.924428901

Break this problem into two subproblems by setting 
(x + 1.5) equal to 4.924428901 and -4.924428901.

Subproblem 1

x + 1.5 = 4.924428901 Simplifying x + 1.5 = 4.924428901 Reorder the terms: 1.5 + x = 4.924428901 Solving 1.5 + x = 4.924428901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 4.924428901 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 4.924428901 + -1.5 x = 4.924428901 + -1.5 Combine like terms: 4.924428901 + -1.5 = 3.424428901 x = 3.424428901 Simplifying x = 3.424428901

Subproblem 2

x + 1.5 = -4.924428901 Simplifying x + 1.5 = -4.924428901 Reorder the terms: 1.5 + x = -4.924428901 Solving 1.5 + x = -4.924428901 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -4.924428901 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -4.924428901 + -1.5 x = -4.924428901 + -1.5 Combine like terms: -4.924428901 + -1.5 = -6.424428901 x = -6.424428901 Simplifying x = -6.424428901

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.424428901, -6.424428901}

See similar equations:

| m^4+2m^3+3m^2+2m+1=0 | | m^4+2m^3+3m^2+1=0 | | 3x-8-2x=0 | | 10x+6=66 | | n*7+20=76 | | x^2-10x-16=0 | | 12x-28=14x-14 | | v^2-2v+1-64g^2=0 | | 324.2-58.5x+1.25x^2=0 | | 25a^2-60af+36f^2=0 | | -x-5=4 | | n*9-7=47 | | 6x+3=2x+-2 | | 163-5x=40x+23 | | 2(4x+12)+4x=12 | | (n-8)*10=70 | | 24x-12=5 | | (n-6)*2=8 | | 324.2-58.5x-1.25x^2=0 | | 12*2=24 | | 122-6x=3x+5 | | ln(6x)-ln(2)=12 | | 12*2= | | 3333444/578843226677+6= | | 52-5x=4x+15 | | (n+4)*6=54 | | w*7=13 | | 162x^4-2y^4=0 | | n*5=56 | | 6x+22=13x-41 | | n+37=51 | | 14w+3=4w-7 |

Equations solver categories