Question

Please help will mark brainliest to anyone who can help read little note before doing B

Answer 1

Answer:

A: $b^3$ B: $X^3$

Step-by-step explanation:

$A: b^7 - 4\\= b^3$

B: $X^5 - 2 \\=X^3$

Answer 2

Answer:

A: b^3. B. X^3

Step-by-step explanation:

When dividing subtract the exponents is the property.