Question

What is the product of (b+5)(b-11)

Answer 1

b^2 - 6b - 55

Explanation:

(b + 5)(b - 11)

Use FOIL

First

Outside

Inside

Last

F: b * b = b^2

O: b * -11 = -11b

I: 5 * b = 5b

L: 5 * -11 = -55

b^2 - 11b + 5b - 55

Combine like terms

-11b + 5b = -6b

b^2 - 6b - 55