5 is 1!!!!!!
Step-by-step explanation:
im sorry i dont know the others
Answer:
15393.8cm sorry if im wrong
Answer:
x² - 4
Step-by-step explanation:
Step 1: Write expression
(x + 2)(x - 2)
Step 2: FOIL
x² + 2x - 2x - 4
Step 3: Combine like terms
x² - 4