3x^2-3x=2x^2+2

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


Simplifying
3x2 + -3x = 2x2 + 2

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

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

Solving
-3x + 3x2 = 2 + 2x2

Solving for variable 'x'.

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

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

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

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

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

Begin completing the square.

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -3x + 2 + x2 = 0 + 2

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

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

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

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 = 2 + 2.25

Reorder the terms:
2.25 + -3x + x2 = 2 + 2.25

Combine like terms: 2 + 2.25 = 4.25
2.25 + -3x + x2 = 4.25

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(x + -1.5) equal to 2.061552813 and -2.061552813.

Subproblem 1

x + -1.5 = 2.061552813 Simplifying x + -1.5 = 2.061552813 Reorder the terms: -1.5 + x = 2.061552813 Solving -1.5 + x = 2.061552813 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 = 2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 2.061552813 + 1.5 x = 2.061552813 + 1.5 Combine like terms: 2.061552813 + 1.5 = 3.561552813 x = 3.561552813 Simplifying x = 3.561552813

Subproblem 2

x + -1.5 = -2.061552813 Simplifying x + -1.5 = -2.061552813 Reorder the terms: -1.5 + x = -2.061552813 Solving -1.5 + x = -2.061552813 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 = -2.061552813 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -2.061552813 + 1.5 x = -2.061552813 + 1.5 Combine like terms: -2.061552813 + 1.5 = -0.561552813 x = -0.561552813 Simplifying x = -0.561552813

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.561552813, -0.561552813}

See similar equations:

| 8+6x=2x+16 | | x^2-31x+58= | | 6z+7-3z=1+2z-3 | | d-6=35 | | 4x-24=52 | | 5x^2+54x-11= | | 8n-(2n+3)=12 | | 10ab^3+2ab^3= | | 7x-3+x-1=180 | | .2q=9-.4q | | 3x+6x=27 | | 250-35x=-15 | | 154=2x+8 | | 11x+2+8x+7=180 | | 6x+4=84-2x | | (4x^2)-2x+6=0 | | -6x-3=-113+5x | | 8(-4-3r)=30+7r | | 2x+3=-6x+11 | | -8x+3(1-4x)=-25-6x | | 5(4x)-5x=0 | | 15x+5+10+25=180 | | -x+3=-30+2x | | -54+15a=-9 | | W=245.76-75.00 | | x^2-31x+30= | | 5-8=5x+10-4x | | 2x^2+21x-30=0 | | 1.2=2.1z-9 | | -5.2x+1.69=-8.71 | | 8+17y-3=8y+20-6y | | -11-y= |

Equations solver categories