-4X^2=-X+8

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


Simplifying
-4X2 = -1X + 8

Reorder the terms:
-4X2 = 8 + -1X

Solving
-4X2 = 8 + -1X

Solving for variable 'X'.

Reorder the terms:
-8 + X + -4X2 = 8 + -1X + -8 + X

Reorder the terms:
-8 + X + -4X2 = 8 + -8 + -1X + X

Combine like terms: 8 + -8 = 0
-8 + X + -4X2 = 0 + -1X + X
-8 + X + -4X2 = -1X + X

Combine like terms: -1X + X = 0
-8 + X + -4X2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
2 + -0.25X + X2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -0.25X + -2 + X2 = 0 + -2

Reorder the terms:
2 + -2 + -0.25X + X2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -0.25X + X2 = 0 + -2
-0.25X + X2 = 0 + -2

Combine like terms: 0 + -2 = -2
-0.25X + X2 = -2

The X term is X.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-0.25X + 0.25 + X2 = -2 + 0.25

Reorder the terms:
0.25 + -0.25X + X2 = -2 + 0.25

Combine like terms: -2 + 0.25 = -1.75
0.25 + -0.25X + X2 = -1.75

Factor a perfect square on the left side:
(X + 0.5)(X + 0.5) = -1.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| .1(x+50)+1.3x=54 | | 5/3y=45 | | -6(x-12)+2(x+2)=x+3 | | 1=15(2)+10 | | 0.6x-10+0.7=1.4x-4+2(0.35) | | 1/3z-612 | | [2t+3]+2=5 | | z^2+(3+4i)*z-1+5i=0 | | 9x+xsqaured=0 | | (200-30)*x=200*x-30*5 | | 3x+(3x+4)=72 | | 8=18(15)-1 | | (5x+35)=(6x-30) | | 2x^7=10 | | 16x+8y+z=400 | | 2a+12=40 | | 4x^2+21v+5= | | 32*2=10d | | 21-7x+x=22+2x | | 5(3-7x)=-x-48 | | -4(4x+4)-5x-5=1 | | -4(4x+4)-5x-5= | | 14x+13=105 | | 2x^2-19x+22=0 | | 4+42x=21x+40 | | 2x-13=5x+4 | | -8x-9+6x=-9x+3 | | x-.2x=18.15 | | 3xsquared-x=49 | | -2(w-.5)=-2 | | y=19x-11 | | 4x+9=-21-2x |

Equations solver categories