Question

a) (x + 9)2 b) (2x + 5)2 c) (5y - 1)2 d) (x - 3y)? e) (c+ d). (c-d)​

Answer 1

Resposta:

Olá

a- (x + 9)2= $2x + 18$

b- (2x + 5)2= $4x + 10$

c- (5y - 1)2= $10y - 2$

d- (x - 3y)= $2x - 6y$

e- (c+ d). (c-d)= $c {}^{2} - d {}^{2}$