nerminsha
nerminsha nerminsha
  • 19-03-2020
  • Mathematics
contestada

Need help quick ;w; n. 6

Need help quick w n 6 class=

Respuesta :

ugapup
ugapup ugapup
  • 19-03-2020

Answer:

The first, second, third, and last ones are correct.

Step-by-step explanation:

The first one is the exact same as the last one, the second one you just square everything, and the third one only squares the x. The fourth one is wrong because that equals 81x^2-y^2. Hope this helps!

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