5x(x-6)=27

Simple and best practice solution for 5x(x-6)=27 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 5x(x-6)=27 equation:


Simplifying
5x(x + -6) = 27

Reorder the terms:
5x(-6 + x) = 27
(-6 * 5x + x * 5x) = 27
(-30x + 5x2) = 27

Solving
-30x + 5x2 = 27

Solving for variable 'x'.

Reorder the terms:
-27 + -30x + 5x2 = 27 + -27

Combine like terms: 27 + -27 = 0
-27 + -30x + 5x2 = 0

Begin completing the square.  Divide all terms by
5 the coefficient of the squared term: 

Divide each side by '5'.
-5.4 + -6x + x2 = 0

Move the constant term to the right:

Add '5.4' to each side of the equation.
-5.4 + -6x + 5.4 + x2 = 0 + 5.4

Reorder the terms:
-5.4 + 5.4 + -6x + x2 = 0 + 5.4

Combine like terms: -5.4 + 5.4 = 0.0
0.0 + -6x + x2 = 0 + 5.4
-6x + x2 = 0 + 5.4

Combine like terms: 0 + 5.4 = 5.4
-6x + x2 = 5.4

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 5.4 + 9

Reorder the terms:
9 + -6x + x2 = 5.4 + 9

Combine like terms: 5.4 + 9 = 14.4
9 + -6x + x2 = 14.4

Factor a perfect square on the left side:
(x + -3)(x + -3) = 14.4

Calculate the square root of the right side: 3.794733192

Break this problem into two subproblems by setting 
(x + -3) equal to 3.794733192 and -3.794733192.

Subproblem 1

x + -3 = 3.794733192 Simplifying x + -3 = 3.794733192 Reorder the terms: -3 + x = 3.794733192 Solving -3 + x = 3.794733192 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 3.794733192 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.794733192 + 3 x = 3.794733192 + 3 Combine like terms: 3.794733192 + 3 = 6.794733192 x = 6.794733192 Simplifying x = 6.794733192

Subproblem 2

x + -3 = -3.794733192 Simplifying x + -3 = -3.794733192 Reorder the terms: -3 + x = -3.794733192 Solving -3 + x = -3.794733192 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -3.794733192 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.794733192 + 3 x = -3.794733192 + 3 Combine like terms: -3.794733192 + 3 = -0.794733192 x = -0.794733192 Simplifying x = -0.794733192

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.794733192, -0.794733192}

See similar equations:

| 10+2(12+y)-12=41 | | 9x/4-1=53 | | 7m+15=8m+13 | | 11(z+3)-4(z-2)=2(z-1)+4(z-4) | | -15-14=11y+12-10y | | 50x+10(x*1.5)=750 | | -2-3(1+7x)=2 | | f(x+5)=7x+9 | | 1.1(-2m-6)-1.4m= | | 3(2x+4)=5x+12+x | | 10=-2(2x-1) | | 24+3(4+y)-14=54 | | -9(7h-6)=15+2h | | 9m=21m+60 | | 2b-6-4b-8= | | 13a-65=-7-6 | | 6=(a/4)-2 | | 6h+11=4h-7 | | 2(6z+3)-8=94 | | 39=-8x-9 | | (3n)(3n)= | | 30=9x-24 | | 3sec^2x-3=0 | | 15y-10+k=2(ky-1)-1 | | 17y=16(y+16) | | x+4.3=7.9 | | 5n+7=40 | | d-6.5=-7.7 | | 7-3(4x-3)=10 | | 9(15+m)=16m | | 4x+9y+2xy=6 | | (W)(2w+4)=16 |

Equations solver categories