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Simplifying
9a2 = 2a2 + 294
Reorder the terms:
9a2 = 294 + 2a2
Solving
9a2 = 294 + 2a2
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-2a2' to each side of the equation.
9a2 + -2a2 = 294 + 2a2 + -2a2
Combine like terms: 9a2 + -2a2 = 7a2
7a2 = 294 + 2a2 + -2a2
Combine like terms: 2a2 + -2a2 = 0
7a2 = 294 + 0
7a2 = 294
Divide each side by '7'.
a2 = 42
Simplifying
a2 = 42
Take the square root of each side:
a = {-6.480740698, 6.480740698}
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