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Simplifying
18c2 + -8d2 = 0
Solving
18c2 + -8d2 = 0
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Add '8d2' to each side of the equation.
18c2 + -8d2 + 8d2 = 0 + 8d2
Combine like terms: -8d2 + 8d2 = 0
18c2 + 0 = 0 + 8d2
18c2 = 0 + 8d2
Remove the zero:
18c2 = 8d2
Divide each side by '18'.
c2 = 0.4444444444d2
Simplifying
c2 = 0.4444444444d2
Take the square root of each side:
c = {-0.666666667d, 0.666666667d}
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