(3x-1)(3x-1)-5=0

Simple and best practice solution for (3x-1)(3x-1)-5=0 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 (3x-1)(3x-1)-5=0 equation:


Simplifying
(3x + -1)(3x + -1) + -5 = 0

Reorder the terms:
(-1 + 3x)(3x + -1) + -5 = 0

Reorder the terms:
(-1 + 3x)(-1 + 3x) + -5 = 0

Multiply (-1 + 3x) * (-1 + 3x)
(-1(-1 + 3x) + 3x * (-1 + 3x)) + -5 = 0
((-1 * -1 + 3x * -1) + 3x * (-1 + 3x)) + -5 = 0
((1 + -3x) + 3x * (-1 + 3x)) + -5 = 0
(1 + -3x + (-1 * 3x + 3x * 3x)) + -5 = 0
(1 + -3x + (-3x + 9x2)) + -5 = 0

Combine like terms: -3x + -3x = -6x
(1 + -6x + 9x2) + -5 = 0

Reorder the terms:
1 + -5 + -6x + 9x2 = 0

Combine like terms: 1 + -5 = -4
-4 + -6x + 9x2 = 0

Solving
-4 + -6x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
-0.4444444444 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '0.4444444444' to each side of the equation.
-0.4444444444 + -0.6666666667x + 0.4444444444 + x2 = 0 + 0.4444444444

Reorder the terms:
-0.4444444444 + 0.4444444444 + -0.6666666667x + x2 = 0 + 0.4444444444

Combine like terms: -0.4444444444 + 0.4444444444 = 0.0000000000
0.0000000000 + -0.6666666667x + x2 = 0 + 0.4444444444
-0.6666666667x + x2 = 0 + 0.4444444444

Combine like terms: 0 + 0.4444444444 = 0.4444444444
-0.6666666667x + x2 = 0.4444444444

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = 0.4444444444 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = 0.4444444444 + 0.1111111112

Combine like terms: 0.4444444444 + 0.1111111112 = 0.5555555556
0.1111111112 + -0.6666666667x + x2 = 0.5555555556

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = 0.5555555556

Calculate the square root of the right side: 0.745355993

Break this problem into two subproblems by setting 
(x + -0.3333333334) equal to 0.745355993 and -0.745355993.

Subproblem 1

x + -0.3333333334 = 0.745355993 Simplifying x + -0.3333333334 = 0.745355993 Reorder the terms: -0.3333333334 + x = 0.745355993 Solving -0.3333333334 + x = 0.745355993 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 0.745355993 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 0.745355993 + 0.3333333334 x = 0.745355993 + 0.3333333334 Combine like terms: 0.745355993 + 0.3333333334 = 1.0786893264 x = 1.0786893264 Simplifying x = 1.0786893264

Subproblem 2

x + -0.3333333334 = -0.745355993 Simplifying x + -0.3333333334 = -0.745355993 Reorder the terms: -0.3333333334 + x = -0.745355993 Solving -0.3333333334 + x = -0.745355993 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -0.745355993 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -0.745355993 + 0.3333333334 x = -0.745355993 + 0.3333333334 Combine like terms: -0.745355993 + 0.3333333334 = -0.4120226596 x = -0.4120226596 Simplifying x = -0.4120226596

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.0786893264, -0.4120226596}

See similar equations:

| 3(x-6)=6x+3 | | r+(-11)=-4 | | 12x-78=2x+132 | | 3(3-y)+1=33 | | y=2/3*4 | | 8e-7-3=6 | | -(h/4)=3/2 | | y=2/3*-4 | | 6+2+10f-4= | | A(x+6)=2(x-1) | | -15+8x=13+6x | | 4x+x=19-2 | | -24=6+35t | | (7n+5)(4n+5)=0 | | 8x=3-7y | | -5x-6=-6x+17 | | x^2+18x+91=0 | | 1-3(-2)=7 | | (x/8)=(x/9)-15 | | 16/4-3 | | (7x+4)(x^2-5x)=14 | | 10(2k+3)+9k= | | -16+4n=(1+2n) | | -30x^4+20x^2-24x+6x^3+4= | | 7f+18=4f+-33 | | 5x-23=3x+25 | | y=800+0.25x | | 2(4)-5(2x-10)=18 | | 4S+11=15 | | b=-12+9c+2x | | 3-3x=5-4x | | (x+9)4=3 |

Equations solver categories