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Hi, i have this question which is related to complex number and i have just no idea how i should solve it. Some guide and help please.

Given that z = x + y

I've tried alot of way comparing them. Just can't work.

I substituted z into w but end up still with a w. How can i get rid of the w?

Given that z = x + y

**i**and*w*= (z+8**i**)/(z-6) , z [tex]\neq[/tex] 6. If*w*is totally imaginary, show that x^2 + y^2 + 2x - 48 = 0I've tried alot of way comparing them. Just can't work.

I substituted z into w but end up still with a w. How can i get rid of the w?

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