4b^2 - 16 =
4(b^2 - 4) =
4(b + 2)(b - 2)
Answer:
2(3x+2) is your answer because you factor out 2. The number 2 is a factor of both 6 and 4 (2*3=6 and 2*2=4).
The answers are in the photo!
I don't understand what you mean by "720 7 7 to the 4 over 5 power", but for "<span>the fourth root of 7 to the fifth power 7 to the 5 over 4 power</span>" it would be 7^5 (seven to the power of 5)
