2a(2a)-98=0

Solution for 2a(2a)-98=0 equation:

Simplifying
2a(2a) + -98 = 0

Remove parenthesis around (2a)
2a * 2a + -98 = 0

Reorder the terms for easier multiplication:
2 * 2a * a + -98 = 0

Multiply 2 * 2
4a * a + -98 = 0

Multiply a * a
4a2 + -98 = 0

Reorder the terms:
-98 + 4a2 = 0

Solving
-98 + 4a2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '98' to each side of the equation.
-98 + 98 + 4a2 = 0 + 98

Combine like terms: -98 + 98 = 0
0 + 4a2 = 0 + 98
4a2 = 0 + 98

Combine like terms: 0 + 98 = 98
4a2 = 98

Divide each side by '4'.
a2 = 24.5

Simplifying
a2 = 24.5

Take the square root of each side:
a = {-4.949747468, 4.949747468}