3(x^2-2x)+3x^2=5x-11

Simple and best practice solution for 3(x^2-2x)+3x^2=5x-11 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 3(x^2-2x)+3x^2=5x-11 equation:


Simplifying
3(x2 + -2x) + 3x2 = 5x + -11

Reorder the terms:
3(-2x + x2) + 3x2 = 5x + -11
(-2x * 3 + x2 * 3) + 3x2 = 5x + -11
(-6x + 3x2) + 3x2 = 5x + -11

Combine like terms: 3x2 + 3x2 = 6x2
-6x + 6x2 = 5x + -11

Reorder the terms:
-6x + 6x2 = -11 + 5x

Solving
-6x + 6x2 = -11 + 5x

Solving for variable 'x'.

Reorder the terms:
11 + -6x + -5x + 6x2 = -11 + 5x + 11 + -5x

Combine like terms: -6x + -5x = -11x
11 + -11x + 6x2 = -11 + 5x + 11 + -5x

Reorder the terms:
11 + -11x + 6x2 = -11 + 11 + 5x + -5x

Combine like terms: -11 + 11 = 0
11 + -11x + 6x2 = 0 + 5x + -5x
11 + -11x + 6x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
11 + -11x + 6x2 = 0

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

Divide each side by '6'.
1.833333333 + -1.833333333x + x2 = 0

Move the constant term to the right:

Add '-1.833333333' to each side of the equation.
1.833333333 + -1.833333333x + -1.833333333 + x2 = 0 + -1.833333333

Reorder the terms:
1.833333333 + -1.833333333 + -1.833333333x + x2 = 0 + -1.833333333

Combine like terms: 1.833333333 + -1.833333333 = 0.000000000
0.000000000 + -1.833333333x + x2 = 0 + -1.833333333
-1.833333333x + x2 = 0 + -1.833333333

Combine like terms: 0 + -1.833333333 = -1.833333333
-1.833333333x + x2 = -1.833333333

The x term is -1.833333333x.  Take half its coefficient (-0.9166666665).
Square it (0.8402777775) and add it to both sides.

Add '0.8402777775' to each side of the equation.
-1.833333333x + 0.8402777775 + x2 = -1.833333333 + 0.8402777775

Reorder the terms:
0.8402777775 + -1.833333333x + x2 = -1.833333333 + 0.8402777775

Combine like terms: -1.833333333 + 0.8402777775 = -0.9930555555
0.8402777775 + -1.833333333x + x2 = -0.9930555555

Factor a perfect square on the left side:
(x + -0.9166666665)(x + -0.9166666665) = -0.9930555555

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 45-(-18)= | | -6b=-3 | | 8c-c^2= | | (4b-16)/(3b) | | 30b^2+19ba-63a^2= | | 450000.00-2200000x=0 | | 3800000000/4600000000=x/365 | | (9b^2)/(4b^2-32b+64) | | 4x+y=2209 | | -1/c^2=-1/3 | | -1c^2=-1/3 | | -1/x^2=-1/3 | | 18x^4-128=0 | | 15s^2+s-2= | | 6x+2y=-50 | | 450000.00-33000.00=-155000.00+12000.00x | | Y=3x^2-8x | | (4x^-2/3y^-2)^-2 | | 0=cosx-sinx | | 11r+68/3=-3 | | 45000.00-22000.00x=-155000.00+12000.00x | | 12x+4y+4=0 | | 3(x+3)-2x+3=x+6 | | 9/1-1/x=1/4x | | 6x^5+5x^4+2x^3-3=0 | | 4(x+2)-3x+6=x+6 | | 4x*20=100 | | (2m)(4msquared)= | | 6x+9/5+1=4x+1/3-9 | | (1/x)-(2/x) | | 2-3(x-5)=4x-1 | | 2w+9/5=w+2/5-2 |

Equations solver categories