Answer:
(x+3)(x-3) is x²-9
Step-by-step explanation:
Hyphens and Dashes. A hyphen joins two or more words together while a dash separates words into parenthetical statements. The two are sometimes confused because they look so similar, but their usage is different. Hyphens are not separated by spaces, while a dash has a space on either side.
Answer:
2,30
Step-by-step explanation:
Answer:
2.4
Step-by-step explanation:
Answer:
positive
Step-by-step explanation:
