Answer:
uhm i would say the second one but i might be very wrong
Step-by-step explanation:
Answer:
12
Step-by-step explanation: 12:3=4, 4 x 2= 8
Answer:
x1= -4
x2 = 4
Step-by-step explanation:
Set the equation equal to zero
x2 − 16 = 0
then
(x + 4)(x − 4) = 0
(x+4)= 0 which is equal to -4
and
(x-4)= 0 equals 4