40x^2-76+28=0

Solution for 40x^2-76+28=0 equation:

Simplifying
40x2 + -76 + 28 = 0

Reorder the terms:
-76 + 28 + 40x2 = 0

Combine like terms: -76 + 28 = -48
-48 + 40x2 = 0

Solving
-48 + 40x2 = 0

Solving for variable 'x'.

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

Add '48' to each side of the equation.
-48 + 48 + 40x2 = 0 + 48

Combine like terms: -48 + 48 = 0
0 + 40x2 = 0 + 48
40x2 = 0 + 48

Combine like terms: 0 + 48 = 48
40x2 = 48

Divide each side by '40'.
x2 = 1.2

Simplifying
x2 = 1.2

Take the square root of each side:
x = {-1.095445115, 1.095445115}