-7+4a^2=93

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Solution for -7+4a^2=93 equation:


Simplifying
-7 + 4a2 = 93

Solving
-7 + 4a2 = 93

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 + 4a2 = 93 + 7

Combine like terms: -7 + 7 = 0
0 + 4a2 = 93 + 7
4a2 = 93 + 7

Combine like terms: 93 + 7 = 100
4a2 = 100

Divide each side by '4'.
a2 = 25

Simplifying
a2 = 25

Take the square root of each side:
a = {-5, 5}

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