10x^2-45+20=0

Solution for 10x^2-45+20=0 equation:

Simplifying
10x2 + -45 + 20 = 0

Reorder the terms:
-45 + 20 + 10x2 = 0

Combine like terms: -45 + 20 = -25
-25 + 10x2 = 0

Solving
-25 + 10x2 = 0

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 10x2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 10x2 = 0 + 25
10x2 = 0 + 25

Combine like terms: 0 + 25 = 25
10x2 = 25

Divide each side by '10'.
x2 = 2.5

Simplifying
x2 = 2.5

Take the square root of each side:
x = {-1.58113883, 1.58113883}