-x^2+4x=2x^2+3

Simple and best practice solution for -x^2+4x=2x^2+3 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^2+4x=2x^2+3 equation:


Simplifying
-1x2 + 4x = 2x2 + 3

Reorder the terms:
4x + -1x2 = 2x2 + 3

Reorder the terms:
4x + -1x2 = 3 + 2x2

Solving
4x + -1x2 = 3 + 2x2

Solving for variable 'x'.

Reorder the terms:
-3 + 4x + -1x2 + -2x2 = 3 + 2x2 + -3 + -2x2

Combine like terms: -1x2 + -2x2 = -3x2
-3 + 4x + -3x2 = 3 + 2x2 + -3 + -2x2

Reorder the terms:
-3 + 4x + -3x2 = 3 + -3 + 2x2 + -2x2

Combine like terms: 3 + -3 = 0
-3 + 4x + -3x2 = 0 + 2x2 + -2x2
-3 + 4x + -3x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-3 + 4x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
1 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -1.333333333x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -1.333333333x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1.333333333x + x2 = 0 + -1
-1.333333333x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-1.333333333x + x2 = -1

The x term is -1.333333333x.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333x + 0.4444444442 + x2 = -1 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -1 + 0.4444444442

Combine like terms: -1 + 0.4444444442 = -0.5555555558
0.4444444442 + -1.333333333x + x2 = -0.5555555558

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = -0.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1.5x+2=8+x | | (x-9)(x-1)= | | -7=3(5x)+4x | | p+2s=115 | | (x+7)(x-3)(9x+4)=x | | -8+4(2k-9)=-12(1+2k) | | (x-2)(x+3)= | | 17-11=2(x-1) | | 233=-v+12 | | x^2-30x-4=0 | | -w+218=131 | | 4x=27-x | | 2m+s=82 | | 4-n=8 | | 2a+3g=34 | | 2m+1s=82 | | 8x-9=4x+7 | | -3x-3x=44-2 | | 3v+4=6v-5 | | 13=3y-8 | | -4+4v=-8 | | (-7x+8)-((x*x)+x-9)= | | 2w-52=27 | | -7(x+5)-5(x-11)=-6x-10x | | -4-4v=-8 | | -16t^2+900= | | n^2-10n-75=0 | | -82+x=-20 | | q^2+8q-20=0 | | 12.5+4.50(x-3)=62.00 | | -2(2y-3)=7-4y | | 6(-2+2)=5(2x-2) |

Equations solver categories