7x^2-45-28=

Solution for 7x^2-45-28= equation:

Simplifying
7x2 + -45 + -28 = 0

Reorder the terms:
-45 + -28 + 7x2 = 0

Combine like terms: -45 + -28 = -73
-73 + 7x2 = 0

Solving
-73 + 7x2 = 0

Solving for variable 'x'.

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

Add '73' to each side of the equation.
-73 + 73 + 7x2 = 0 + 73

Combine like terms: -73 + 73 = 0
0 + 7x2 = 0 + 73
7x2 = 0 + 73

Combine like terms: 0 + 73 = 73
7x2 = 73

Divide each side by '7'.
x2 = 10.42857143

Simplifying
x2 = 10.42857143

Take the square root of each side:
x = {-3.229329873, 3.229329873}