Question

Me ajudem ... (x+y)2= (x-y)2= (a+3)2= (b-5)2= (2x+3)2= (3x-10)2= (a+f)2= (x+y).(2x-y)=

Answer 1

a) 2x+2y =
b) 2x - 2y =
c) 2a + 6 =
d) 2b + 10 =
e) 4x + 6 =
f) 6x -20 =
g) 2a + 2f =
h) 2x² + 3xy - y² =