7(7)+3(3)=c^2

Solution for 7(7)+3(3)=c^2 equation:

Simplifying
7(7) + 3(3) = c2

Multiply 7 * 7
49 + 3(3) = c2

Multiply 3 * 3
49 + 9 = c2

Combine like terms: 49 + 9 = 58
58 = c2

Solving
58 = c2

Solving for variable 'c'.

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

Add '-1c2' to each side of the equation.
58 + -1c2 = c2 + -1c2

Combine like terms: c2 + -1c2 = 0
58 + -1c2 = 0

Add '-58' to each side of the equation.
58 + -58 + -1c2 = 0 + -58

Combine like terms: 58 + -58 = 0
0 + -1c2 = 0 + -58
-1c2 = 0 + -58

Combine like terms: 0 + -58 = -58
-1c2 = -58

Divide each side by '-1'.
c2 = 58

Simplifying
c2 = 58

Take the square root of each side:
c = {-7.615773106, 7.615773106}