a^2+(-7-3)=23

Solution for a^2+(-7-3)=23 equation:

Simplifying
a2 + (-7 + -3) = 23

Combine like terms: -7 + -3 = -10
a2 + (-10) = 23
a2 + -10 = 23

Reorder the terms:
-10 + a2 = 23

Solving
-10 + a2 = 23

Solving for variable 'a'.

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

Add '10' to each side of the equation.
-10 + 10 + a2 = 23 + 10

Combine like terms: -10 + 10 = 0
0 + a2 = 23 + 10
a2 = 23 + 10

Combine like terms: 23 + 10 = 33
a2 = 33

Simplifying
a2 = 33

Take the square root of each side:
a = {-5.744562647, 5.744562647}