Answer:
Step-by-step explanation:
Let
Substitute to
i dont know about you says
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Answers & Comments
Answer:
Step-by-step explanation:
Let![u = (3x-y) u = (3x-y)](https://tex.z-dn.net/?f=u%20%3D%20%283x-y%29)
Substitute
to ![u u](https://tex.z-dn.net/?f=u)
i dont know about you says