-3x^2-4(2x^2)(1)=0

Solution for -3x^2-4(2x^2)(1)=0 equation:

Simplifying
-3x2 + -4(2x2)(1) = 0

Remove parenthesis around (2x2)
-3x2 + -4 * 2x2(1) = 0

Reorder the terms for easier multiplication:
-3x2 + -4 * 2 * 1x2 = 0

Multiply -4 * 2
-3x2 + -8 * 1x2 = 0

Multiply -8 * 1
-3x2 + -8x2 = 0

Combine like terms: -3x2 + -8x2 = -11x2
-11x2 = 0

Solving
-11x2 = 0

Solving for variable 'x'.

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

Divide each side by '-11'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}