7x^2-16-28=0

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Solution for 7x^2-16-28=0 equation: 


Simplifying
7x2 + -16 + -28 = 0

Reorder the terms:
-16 + -28 + 7x2 = 0

Combine like terms: -16 + -28 = -44
-44 + 7x2 = 0

Solving
-44 + 7x2 = 0

Solving for variable 'x'.

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

Add '44' to each side of the equation.
-44 + 44 + 7x2 = 0 + 44

Combine like terms: -44 + 44 = 0
0 + 7x2 = 0 + 44
7x2 = 0 + 44

Combine like terms: 0 + 44 = 44
7x2 = 44

Divide each side by '7'.
x2 = 6.285714286

Simplifying
x2 = 6.285714286

Take the square root of each side:
x = {-2.507132682, 2.507132682}

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