10x^2-23-42=0

Solution for 10x^2-23-42=0 equation:

Simplifying
10x2 + -23 + -42 = 0

Reorder the terms:
-23 + -42 + 10x2 = 0

Combine like terms: -23 + -42 = -65
-65 + 10x2 = 0

Solving
-65 + 10x2 = 0

Solving for variable 'x'.

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

Add '65' to each side of the equation.
-65 + 65 + 10x2 = 0 + 65

Combine like terms: -65 + 65 = 0
0 + 10x2 = 0 + 65
10x2 = 0 + 65

Combine like terms: 0 + 65 = 65
10x2 = 65

Divide each side by '10'.
x2 = 6.5

Simplifying
x2 = 6.5

Take the square root of each side:
x = {-2.549509757, 2.549509757}