49x^2-56+16=

Solution for 49x^2-56+16= equation:

Simplifying
49x2 + -56 + 16 = 0

Reorder the terms:
-56 + 16 + 49x2 = 0

Combine like terms: -56 + 16 = -40
-40 + 49x2 = 0

Solving
-40 + 49x2 = 0

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 49x2 = 0 + 40

Combine like terms: -40 + 40 = 0
0 + 49x2 = 0 + 40
49x2 = 0 + 40

Combine like terms: 0 + 40 = 40
49x2 = 40

Divide each side by '49'.
x2 = 0.8163265306

Simplifying
x2 = 0.8163265306

Take the square root of each side:
x = {-0.903507903, 0.903507903}