Question

Find the product.
(-d + 4)(-d - 4)

a) -d² - 16
b) d² - 16
c) d² + 16
d) d² - 8d - 16

Answer 1

Hello!! do you need help

Answer 2

yes

Answer 3

Use FOIL method. -d*-d=d^2, -d*-4=4d, 4*-d=-4d, 4*-4=-16 combine the products
getting: d^2+4d-4d-16 simplifying results in d^2-16 choice B