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OpenStudy (anonymous):
√z2+8z+4=z solve
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OpenStudy (anonymous):
Could you put in ^ for exponents to make it clearer? I'm not sure of what the first term is supposed to be.
OpenStudy (anonymous):
√z^2+8z+4=z
OpenStudy (anonymous):
Do you mean \[\sqrt{z^2 + 8z + 4} = z?\]
OpenStudy (anonymous):
If so, square both sides and acquire \[z^2 + 8z + 4 = z^2\] and you'll be able to solve it quickly from there.
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