1 and negative 1. Any number plus the opposite (negative) version of itself works. Hope this helped, could I possibly get brainliest?
Answer:
Foods and shoes thats it
Step-by-step explanation:
Answer:
first and fourth
Step-by-step explanation:
x² - 4 = 0 ( add 4 to both sides )
x² = 4 ( take square root of both sides )
x = ±
= ± 2
that is x = - 2, x = 2
4x² = 16 ( divide both sides by 4 )
x² = 4 ( take square root of both sides )
x = ±
= ± 2
that is x = - 2, x = 2
Use this above picture to help you out!!
Answer:
Step-by-step explanation:
You have to find the GCF aka greatest common factor, then subtract those fractions. And if able to , simplify ur answer. but sometimes it might not be there