x^2-2x^2+4x-8=0

Simple and best practice solution for x^2-2x^2+4x-8=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^2-2x^2+4x-8=0 equation:


Simplifying
x2 + -2x2 + 4x + -8 = 0

Reorder the terms:
-8 + 4x + x2 + -2x2 = 0

Combine like terms: x2 + -2x2 = -1x2
-8 + 4x + -1x2 = 0

Solving
-8 + 4x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
8 + -4x + x2 = 0

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -4x + -8 + x2 = 0 + -8

Reorder the terms:
8 + -8 + -4x + x2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -4x + x2 = 0 + -8
-4x + x2 = 0 + -8

Combine like terms: 0 + -8 = -8
-4x + x2 = -8

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -8 + 4

Reorder the terms:
4 + -4x + x2 = -8 + 4

Combine like terms: -8 + 4 = -4
4 + -4x + x2 = -4

Factor a perfect square on the left side:
(x + -2)(x + -2) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (4x+4)+(4x+3)+(4x)=(4x)+(4x)+(5x+2) | | 9(2-X)+5=2(X+7)-10x | | 5(23x)=8 | | x-4(2-x)=-33 | | .6(x+10)-.2x=22 | | -39+5p=2(8+8p) | | 2(y-1)-3(y-1)=5-y | | 66-8x=22 | | AGD+90+30=180 | | 6a+6=-17 | | z-9=-12 | | y(x^2y^2-1)dx+x(x^2y^2+1)dy=0 | | 2tds+s(2+s^2t)dt=0 | | 2x+.33x=8 | | ax+by=y | | 15x+22x-7=x+3-10 | | (1+3x)(1-3x)=8x | | 5x+8y=365 | | 5y+9=7y+6-2y | | 5y-9=7y+6-2y | | 9+8x=8x+1 | | 189=7(3-6k) | | 176=8(1+7b) | | 2z+11=45 | | 6g=0 | | ab-cx=d | | 5(2x-2)-7x=5-(4x+3) | | 3x-3=31 | | 9(16w+81)=16 | | 6(8w+9)=8 | | 2p+9=21 | | 3(f-1)=9 |

Equations solver categories