Question

resultado de
a.(a+3b)² =
b.(2x-3y)² =
c.(2x+y)² =
d.(3a+5b)² =

me ajuda ae pf

Answer 1

a.(a+3b)² = a² + 6ab + 9b²

b.(2x-3y)² = 4x² - 12xy + 9y²

c.(2x+y)² =  4x² + 4xy = y²

d.(3a+5b)² = 9a² + 30ab + b²