45-20x^2=0

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Solution for 45-20x^2=0 equation: 


Simplifying
45 + -20x2 = 0

Solving
45 + -20x2 = 0

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -20x2 = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -20x2 = 0 + -45
-20x2 = 0 + -45

Combine like terms: 0 + -45 = -45
-20x2 = -45

Divide each side by '-20'.
x2 = 2.25

Simplifying
x2 = 2.25

Take the square root of each side:
x = {-1.5, 1.5}

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