Factoring the Difference of Two Squares (20 problems)
By C Gulliksen
Factor each binomial completely.
9a² - 16
81 - 25m²
36a² - 121b²
49 - 256s²
100a6 - 169b6
256s² - 121t²
4x6 - y6
144 - 225m²
a² - b²
n4 - 1
16r² - 36s²
c8 - 16
81b4 - 16
144x² - 36y²
100 - 196m²
400m4 - 100n4
25x² - 225
144x² - 36y²
100a² - 225b²