25x^2+5c-42=0

Solution for 25x^2+5c-42=0 equation:

Simplifying
25x2 + 5c + -42 = 0

Reorder the terms:
-42 + 5c + 25x2 = 0

Solving
-42 + 5c + 25x2 = 0

Solving for variable 'c'.

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

Add '42' to each side of the equation.
-42 + 5c + 42 + 25x2 = 0 + 42

Reorder the terms:
-42 + 42 + 5c + 25x2 = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 5c + 25x2 = 0 + 42
5c + 25x2 = 0 + 42

Combine like terms: 0 + 42 = 42
5c + 25x2 = 42

Add '-25x2' to each side of the equation.
5c + 25x2 + -25x2 = 42 + -25x2

Combine like terms: 25x2 + -25x2 = 0
5c + 0 = 42 + -25x2
5c = 42 + -25x2

Divide each side by '5'.
c = 8.4 + -5x2

Simplifying
c = 8.4 + -5x2