Question

Expand these brackets:
3(5 + b) =
2(3f + 5) =

Answer 1

15+3b

6f+10

Explanation:

Those are your answers

Answer 2

15 + 3b

6f + 10

Explanation:

Distributive property: a*(b +c) = (a*b) + a*c)

Multiply 3 with 5 and multiply 3 with b and then add the results of the multiplication.

3*(5 + b) = (3*5) + (3*b)

= 15 + 3b

2*(3f + 5) = (2*3f) + (2*5)

= 6f + 10