Question

multiply (x+4) (x+b)​

Answer 1

Answer:

(x+4) (x+b)​ = 5x + b

Step-by-step explanation:

x+ 4 into x+b

4x into x+b

5x + b

Answer 2

(x−4)(x+5)

=x(x+5)−4(x+5)

=x

2

+5x−4x−20

=x

2

+x−20