Mathematics, 06.04.2021 19:40 yarrito20011307

I REALLY NEED TO KNOW THIS... So my math teacher hates me and i did this for a
5x³ + x² + 16 , this is a different question, and i got the points.
But for a answer that was right and she mared wrong i did this:
2x²+4
(I know it is right because my sister and me have the same math. and she got a 10/10 on this)
My sister's answer : 2x^2 + 4.

Are they the same or not?!

Answers: 3

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I REALLY NEED TO KNOW THIS... So my math teacher hates me and i did this for a
5x³ + x² + 16...