14x^2+7-42=0

Solution for 14x^2+7-42=0 equation:

Simplifying
14x2 + 7 + -42 = 0

Reorder the terms:
7 + -42 + 14x2 = 0

Combine like terms: 7 + -42 = -35
-35 + 14x2 = 0

Solving
-35 + 14x2 = 0

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + 14x2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 14x2 = 0 + 35
14x2 = 0 + 35

Combine like terms: 0 + 35 = 35
14x2 = 35

Divide each side by '14'.
x2 = 2.5

Simplifying
x2 = 2.5

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