Post date: Feb 11, 2019 10:49:54 AM
(x+y)(x+y)
(x-y)(x-y)
(x+y)(x-y)
(3t+2)(3t+2)
(5a-3)(5a+3)
(2+√2)(2+√2)
(3+√5)(3-√5)
(x+y)(x+y)(x+y)
148, 149, 150 pag 283