please help fast!
Marie was trying to show her friend why -3 × -8 equals a positive product. this is what she wrote :
-3 × 0 = 0
-3 × (?) = 0
-3(8) + -3(-8) = 0
-24 + 24 = 0
what should Marie write in place of the question mark?
a.) 8 + 8
b.) -8 + (-8)
c.) 8 + (-8)
d.) -8 + 0