45ab - 9bc =
Can you please explain this to me

9b(5a-c)

Step-by-step explanation:

1) first find the common factor

it is basically to find the similarity between two terms so in 45ab - 9bc what is similar in both terms? Alrite for the first term we have 45ab and in the second we have -9bc so the first thing u see that's similar is b because both of the terms has b. Next what else is common? 9 is common.

- so factor out 9b from the expression

As u factor it out u are basically dividing it with the factor

in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.