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Simplifying
7x2 + -3 = 208
Reorder the terms:
-3 + 7x2 = 208
Solving
-3 + 7x2 = 208
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '3' to each side of the equation.
-3 + 3 + 7x2 = 208 + 3
Combine like terms: -3 + 3 = 0
0 + 7x2 = 208 + 3
7x2 = 208 + 3
Combine like terms: 208 + 3 = 211
7x2 = 211
Divide each side by '7'.
x2 = 30.14285714
Simplifying
x2 = 30.14285714
Take the square root of each side:
x = {-5.4902511, 5.4902511}
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