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Simplifying
7x2 + 4 = 284
Reorder the terms:
4 + 7x2 = 284
Solving
4 + 7x2 = 284
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4' to each side of the equation.
4 + -4 + 7x2 = 284 + -4
Combine like terms: 4 + -4 = 0
0 + 7x2 = 284 + -4
7x2 = 284 + -4
Combine like terms: 284 + -4 = 280
7x2 = 280
Divide each side by '7'.
x2 = 40
Simplifying
x2 = 40
Take the square root of each side:
x = {-6.32455532, 6.32455532}
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