(x + 10)² - 1
= (x² + 20x + 100) - 1
= x² + 20x + 99
None of the choices you provided are correct. Did you type in the question wrong?
Answer:
1. Should stay the same since you can't combine any further
2. 6x²-6x+16
Google on the word SCALAR. that's the word your looking for
Answer:
As the number of files increases, the storage space used increases.
