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Simplifying
8a2 + 7 = 151
Reorder the terms:
7 + 8a2 = 151
Solving
7 + 8a2 = 151
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + 8a2 = 151 + -7
Combine like terms: 7 + -7 = 0
0 + 8a2 = 151 + -7
8a2 = 151 + -7
Combine like terms: 151 + -7 = 144
8a2 = 144
Divide each side by '8'.
a2 = 18
Simplifying
a2 = 18
Take the square root of each side:
a = {-4.242640687, 4.242640687}
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