-5(2c^2-d^2)=

Solution for -5(2c^2-d^2)= equation:

Simplifying
-5(2c2 + -1d2) = 0
(2c2 * -5 + -1d2 * -5) = 0
(-10c2 + 5d2) = 0

Solving
-10c2 + 5d2 = 0

Solving for variable 'c'.

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

Add '-5d2' to each side of the equation.
-10c2 + 5d2 + -5d2 = 0 + -5d2

Combine like terms: 5d2 + -5d2 = 0
-10c2 + 0 = 0 + -5d2
-10c2 = 0 + -5d2
Remove the zero:
-10c2 = -5d2

Divide each side by '-10'.
c2 = 0.5d2

Simplifying
c2 = 0.5d2

Take the square root of each side:
c = {-0.707106781d, 0.707106781d}