Question

Si a = -1, b = -2 y c = -3, entonces a

2 + b2 –(b + c)2 =

Answer 1

2 + (-2)2 - (-2 -3)2=

2 - 4 - (-5)2=

2 - 4 - (-10)

2 - 4 +10=

= 8

Coronita, please!