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# can you find the roots???

we are given that $z^4-2yz^2-z+y^2-y=0$ can you find z in terms of y, all 4 roots!?

Note by Aareyan Manzoor
2 years, 5 months ago

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nobody?hint $(z^2-y)^2=z+y$ · 2 years, 5 months ago