Answer:
1.)
2.)
3.)
4.)
5.)
Hope it helps=)
For me I'm sure that all of this is correct
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Answers & Comments
Answer:
1.)![4a ^{4} + 12a^{2}x + 9x^{2} 4a ^{4} + 12a^{2}x + 9x^{2}](https://tex.z-dn.net/?f=4a%20%5E%7B4%7D%20%2B%2012a%5E%7B2%7Dx%20%2B%209x%5E%7B2%7D%20)
2.)![64c^{3} - 47cy + 9y^{2} 64c^{3} - 47cy + 9y^{2}](https://tex.z-dn.net/?f=64c%5E%7B3%7D%20-%2047cy%20%2B%209y%5E%7B2%7D%20)
3.)![16a^{2}b^{2} - 4x^{2} 16a^{2}b^{2} - 4x^{2}](https://tex.z-dn.net/?f=16a%5E%7B2%7Db%5E%7B2%7D%20-%204x%5E%7B2%7D%20)
4.)![64x^{2} - 49a^{2} 64x^{2} - 49a^{2}](https://tex.z-dn.net/?f=64x%5E%7B2%7D%20%20-%2049a%5E%7B2%7D)
5.)![121d^{2} - 81e^{2} 121d^{2} - 81e^{2}](https://tex.z-dn.net/?f=121d%5E%7B2%7D%20-%2081e%5E%7B2%7D%20)
Hope it helps=)
For me I'm sure that all of this is correct