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Hi;I am gettingc = 4 - 2 i and c = 4 + 2 i

If you cross multiply,then you'd get c^2-4c=4c-20 which is c^2-8c+20=0,now you just have to find the polynomial's roots.

Hi;Latex is out temporarily.

help me on another one\frac{c}{c-5}=\frac{4}{c-4}FInd c.Also, the LaTeX doesn't seem to work..

Hi;x = 10, x = 8, x = -8, x = -10

Find all real values of x that satisfy the equation (x^2-82)^2 = 324