Question

Use the special factoring methods to factor the following binomials.

Answer 1

1. \[49a^6-9b^2c^4\]

Answer 2

by difference of 2 squares:

(7a^3 + 3bc^2)(7a^3 - 3bc^2)

Answer 3

so it is just that expression ^2?

Answer 4

2. \[(2x+y^2)^2-(y^2-3)^2\]