9x^2+54x=1

Simple and best practice solution for 9x^2+54x=1 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 9x^2+54x=1 equation:


Simplifying
9x2 + 54x = 1

Reorder the terms:
54x + 9x2 = 1

Solving
54x + 9x2 = 1

Solving for variable 'x'.

Reorder the terms:
-1 + 54x + 9x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + 54x + 9x2 = 0

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

Divide each side by '9'.
-0.1111111111 + 6x + x2 = 0

Move the constant term to the right:

Add '0.1111111111' to each side of the equation.
-0.1111111111 + 6x + 0.1111111111 + x2 = 0 + 0.1111111111

Reorder the terms:
-0.1111111111 + 0.1111111111 + 6x + x2 = 0 + 0.1111111111

Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000
0.0000000000 + 6x + x2 = 0 + 0.1111111111
6x + x2 = 0 + 0.1111111111

Combine like terms: 0 + 0.1111111111 = 0.1111111111
6x + x2 = 0.1111111111

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 = 0.1111111111 + 9

Reorder the terms:
9 + 6x + x2 = 0.1111111111 + 9

Combine like terms: 0.1111111111 + 9 = 9.1111111111
9 + 6x + x2 = 9.1111111111

Factor a perfect square on the left side:
(x + 3)(x + 3) = 9.1111111111

Calculate the square root of the right side: 3.018461713

Break this problem into two subproblems by setting 
(x + 3) equal to 3.018461713 and -3.018461713.

Subproblem 1

x + 3 = 3.018461713 Simplifying x + 3 = 3.018461713 Reorder the terms: 3 + x = 3.018461713 Solving 3 + x = 3.018461713 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 = 3.018461713 + -3 Combine like terms: 3 + -3 = 0 0 + x = 3.018461713 + -3 x = 3.018461713 + -3 Combine like terms: 3.018461713 + -3 = 0.018461713 x = 0.018461713 Simplifying x = 0.018461713

Subproblem 2

x + 3 = -3.018461713 Simplifying x + 3 = -3.018461713 Reorder the terms: 3 + x = -3.018461713 Solving 3 + x = -3.018461713 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 = -3.018461713 + -3 Combine like terms: 3 + -3 = 0 0 + x = -3.018461713 + -3 x = -3.018461713 + -3 Combine like terms: -3.018461713 + -3 = -6.018461713 x = -6.018461713 Simplifying x = -6.018461713

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.018461713, -6.018461713}

See similar equations:

| 6+2(3j-2)=2(-5+4u) | | (2-3i)-5+5= | | 2=w/9+11 | | 180=3x+12 | | d=-2(-2)+3d | | -2(a+3)=12+14a | | 1/2(n+4) | | 5+3(q-4)=2(g+1) | | 2x-5(x+2)=3(2-x) | | 4R-7+3r+9-8r= | | C-4/-6=9 | | d=-2d+3d | | 9x+12-3x=2x+3.4+2x | | 6(4+7x)=528 | | 4x-5=-6 | | (4x^2+1x-3)/(4x^2+9x-9) | | 3m+-4=-2m+-15 | | 7x-3(5x-19)=35 | | M-9.4=-12.0 | | d=4+3d | | 5.6+1.4x=2.4x | | 2x+5-8=41 | | 0.04P+0.09(1500-P)=95 | | 5=t-2forx | | 9r-5=3+r | | 7(c+6)=6c-4 | | 5(4x+2)+1=3x+2 | | 4n-8= | | d-3d=4 | | 5x+6=-4x-48 | | g-16=18 | | b=55+(10+8) |

Equations solver categories