25+20*20=c*c

Solution for 25+20*20=c*c equation:

Simplifying
25 + 20 * 20 = c * c

Multiply 20 * 20
25 + 400 = c * c

Combine like terms: 25 + 400 = 425
425 = c * c

Multiply c * c
425 = c2

Solving
425 = 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.
425 + -1c2 = c2 + -1c2

Combine like terms: c2 + -1c2 = 0
425 + -1c2 = 0

Add '-425' to each side of the equation.
425 + -425 + -1c2 = 0 + -425

Combine like terms: 425 + -425 = 0
0 + -1c2 = 0 + -425
-1c2 = 0 + -425

Combine like terms: 0 + -425 = -425
-1c2 = -425

Divide each side by '-1'.
c2 = 425

Simplifying
c2 = 425

Take the square root of each side:
c = {-20.615528128, 20.615528128}