It’s U.. mark me brainlist
Answer:
9x
Step-by-step explanation:
because they're like terms add them together
3x + 6x = 3 + 6 =
9x, could i have brainliest if possible thanks!
For 16 it's 8/10 for 17 it's 52/100 for 18 it's -92/100 for 19 it's -48/100 for 20 it's 86/100 for 21 it's 76/100
Answer: If you meant: 
<h3>Then, let's change the square t :o read:
![\sqrt[x]{1/2}](https://tex.z-dn.net/?f=%5Csqrt%5Bx%5D%7B1%2F2%7D)
</h3><h3>Now, we can just multiply the two powers, and your answer is
</h3><h3>Hope this helps have a awesome day/night❤️✨</h3>
