3x^2+kx-4=0

Solution for 3x^2+kx-4=0 equation:

Simplifying
3x2 + kx + -4 = 0

Reorder the terms:
-4 + kx + 3x2 = 0

Solving
-4 + kx + 3x2 = 0

Solving for variable 'k'.

Move all terms containing k to the left, all other terms to the right.

Add '4' to each side of the equation.
-4 + kx + 4 + 3x2 = 0 + 4

Reorder the terms:
-4 + 4 + kx + 3x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + kx + 3x2 = 0 + 4
kx + 3x2 = 0 + 4

Combine like terms: 0 + 4 = 4
kx + 3x2 = 4

Add '-3x2' to each side of the equation.
kx + 3x2 + -3x2 = 4 + -3x2

Combine like terms: 3x2 + -3x2 = 0
kx + 0 = 4 + -3x2
kx = 4 + -3x2

Divide each side by 'x'.
k = 4x-1 + -3x

Simplifying
k = 4x-1 + -3x