Question

How do you simplify `5(b - 6) + 9`?

Answer 1

5b - 21

Explanation:

Use the concept of BEDMAS

Brackets
Exponents
Division
Multiplication
Addition
Subtraction

So we check the B first
b-6 cannot be simplified do we continue to the next step
there is no exponent
there is no division

There is multiplaction, so you mutiply 5 with b and -6 giving you
these steps
5(b−6)+9
`5*b + 5 *-6` and +9
=5b-30+9
= 5b-21

Hope this helped
Please feel free to ask for any clarification