5a^2-7+1=1.2

Solution for 5a^2-7+1=1.2 equation:

Simplifying
5a2 + -7 + 1 = 1.2

Reorder the terms:
-7 + 1 + 5a2 = 1.2

Combine like terms: -7 + 1 = -6
-6 + 5a2 = 1.2

Solving
-6 + 5a2 = 1.2

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 5a2 = 1.2 + 6

Combine like terms: -6 + 6 = 0
0 + 5a2 = 1.2 + 6
5a2 = 1.2 + 6

Combine like terms: 1.2 + 6 = 7.2
5a2 = 7.2

Divide each side by '5'.
a2 = 1.44

Simplifying
a2 = 1.44

Take the square root of each side:
a = {-1.2, 1.2}