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

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


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

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

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

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

Combine like terms: -1x + -1x = -2x
(1 + -2x + x2) + -3x = 0

Reorder the terms:
1 + -2x + -3x + x2 = 0

Combine like terms: -2x + -3x = -5x
1 + -5x + x2 = 0

Solving
1 + -5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -5x + -1 + x2 = 0 + -1

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

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

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

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -1 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -1 + 6.25

Combine like terms: -1 + 6.25 = 5.25
6.25 + -5x + x2 = 5.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 5.25

Calculate the square root of the right side: 2.291287847

Break this problem into two subproblems by setting 
(x + -2.5) equal to 2.291287847 and -2.291287847.

Subproblem 1

x + -2.5 = 2.291287847 Simplifying x + -2.5 = 2.291287847 Reorder the terms: -2.5 + x = 2.291287847 Solving -2.5 + x = 2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 2.291287847 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 2.291287847 + 2.5 x = 2.291287847 + 2.5 Combine like terms: 2.291287847 + 2.5 = 4.791287847 x = 4.791287847 Simplifying x = 4.791287847

Subproblem 2

x + -2.5 = -2.291287847 Simplifying x + -2.5 = -2.291287847 Reorder the terms: -2.5 + x = -2.291287847 Solving -2.5 + x = -2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -2.291287847 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -2.291287847 + 2.5 x = -2.291287847 + 2.5 Combine like terms: -2.291287847 + 2.5 = 0.208712153 x = 0.208712153 Simplifying x = 0.208712153

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.791287847, 0.208712153}

See similar equations:

| W(x+1)=-3x^3+5x-2 | | 96,401-72,124= | | 12x-11=10.5+4 | | 4y+30=10-(5y-4) | | f(-x)=3(-x)+7 | | -46+17=-29 | | (sinx-1)*(2cosx-1)-3cosx=0 | | 5x+8=25+15 | | 6(-2-2)=4(-x-5) | | -6+7x-6x= | | [4x(13-7)-10]= | | 3/4(y^2)-5=3 | | X+17=-29 | | 45×2^3/4 | | 2(a-3)=(a-1)+7 | | x+2z=0 | | c=12.50+0.07p | | 4/5×2^3/4 | | x-y+2z=7 | | -6z+9=4(5-z) | | f(x+1)=3(x+1)+7 | | 13=a-4.4 | | 2.75y=-1.25x+55 | | x*4.4+y*14.4=70000 | | 5y+3x= | | 7z-3=2(z+6) | | 12.50=1.07p | | -9+n=29 | | 2x+10=7-15 | | -4.9x^2+21.3x=0 | | rx^3+12x^2+36x=0 | | (2i)/(3-7i) |

Equations solver categories