-4x^2+3x-7=0

Simple and best practice solution for -4x^2+3x-7=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 -4x^2+3x-7=0 equation:


Simplifying
-4x2 + 3x + -7 = 0

Reorder the terms:
-7 + 3x + -4x2 = 0

Solving
-7 + 3x + -4x2 = 0

Solving for variable 'x'.

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

Divide each side by '-4'.
1.75 + -0.75x + x2 = 0

Move the constant term to the right:

Add '-1.75' to each side of the equation.
1.75 + -0.75x + -1.75 + x2 = 0 + -1.75

Reorder the terms:
1.75 + -1.75 + -0.75x + x2 = 0 + -1.75

Combine like terms: 1.75 + -1.75 = 0.00
0.00 + -0.75x + x2 = 0 + -1.75
-0.75x + x2 = 0 + -1.75

Combine like terms: 0 + -1.75 = -1.75
-0.75x + x2 = -1.75

The x term is -0.75x.  Take half its coefficient (-0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
-0.75x + 0.140625 + x2 = -1.75 + 0.140625

Reorder the terms:
0.140625 + -0.75x + x2 = -1.75 + 0.140625

Combine like terms: -1.75 + 0.140625 = -1.609375
0.140625 + -0.75x + x2 = -1.609375

Factor a perfect square on the left side:
(x + -0.375)(x + -0.375) = -1.609375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 53x=200 | | -4x^2-32-64=0 | | 0=4h-8h-32-8h | | 0=4ha-8h-32-8h | | (6x-7)(3x+9)=0 | | 8x-2x-4x=10 | | -8p^3q^7-4p^2q^3= | | -12x-15=21-10x | | 0=4h^2-16h-32 | | 2x^2+9x=-4 | | 5x^2+39x+40=0 | | x^2-2x-17=0 | | -10-8x=-110+6x | | 0=4n^2-16n-32 | | -110+6x=-74 | | 4=k*2 | | 0.8=k*1.8 | | -10x-159=-x+93 | | 0=4h^2-8h-32-8h | | C=y+yvf | | -14x^2-17x-23=0 | | t^2=40-3t | | 2.50x=1342.50 | | 4x^2-16x+30=0 | | M^3-49m=0 | | 500.00+.35x=2.50x | | -52-x=98-11x | | w^2+4w-77=0 | | 25s^2+90s+81=0 | | 2808=8s+3.5s | | 1.50+.60p=10+13.50 | | b=6-4b |

Equations solver categories