Question

valor da expressao (2x +9y)2+36, para x =1 e igual
A)85 B)-5 c)65 d)13

Answer 1

e igual a 58
(2*1+9*1)2+36
(2+9)2+36
11*2+36
22+36
=58

Answer 2

$

Ola Crlho 

se x = 1 e y = -1

(2x + 9y)² +36 = (2 - 9)² + 36 = 
49 + 36 = 85 (A)