Answer: The answer to your question will be -
5^√16x^4
Multiply it out
x^2 + 4x -8x -32
Combine like terms
x^2 -4x - 32
4.8y - 6.9 = 3.18
4.8y= 3.18 + 6.9 (I added 6.9 to both sides)
4.8 y = 10.08 (I added 3.18 by 6.9)
y = 2.1 (I divided 4.8)
Hope this helps!!
38= Sum
2= GCF of 18 and 20