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Simplifying
-2x2 + -1(-3x2) + 4x2 = 0
Remove parenthesis around (-3x2)
-2x2 + -1 * -3x2 + 4x2 = 0
Multiply -1 * -3
-2x2 + 3x2 + 4x2 = 0
Combine like terms: -2x2 + 3x2 = 1x2
1x2 + 4x2 = 0
Combine like terms: 1x2 + 4x2 = 5x2
5x2 = 0
Solving
5x2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '5'.
x2 = 0
Simplifying
x2 = 0
Take the square root of each side:
x = {0}
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