Answer:
x^2+8x+16
(x+4)^2
Step-by-step explanation:
x^2 +8x
Take the coefficient of the x term
8
Divide by 2
8/2 =4
Square it
4^2 =16
x^2+8x+16
We can factor it into
(x+8/2) ^2
(x+4)^2
Answer:
72
Step-by-step explanation:
It's 72
Answer:
21
Step-by-step explanation:
Answer:
4/5
Step-by-step explanation:
1/5*4 (given)
1/5*4/1 (add the one to make it a fraction)
4/5 (multiply straight across)
