300-3x(x)=

Solution for 300-3x(x)= equation:

Simplifying
300 + -3x(x) = 0

Multiply x * x
300 + -3x2 = 0

Solving
300 + -3x2 = 0

Solving for variable 'x'.

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

Add '-300' to each side of the equation.
300 + -300 + -3x2 = 0 + -300

Combine like terms: 300 + -300 = 0
0 + -3x2 = 0 + -300
-3x2 = 0 + -300

Combine like terms: 0 + -300 = -300
-3x2 = -300

Divide each side by '-3'.
x2 = 100

Simplifying
x2 = 100

Take the square root of each side:
x = {-10, 10}