The first thing he has to do is take that "minus" sign through the parentheses containing the second polynomial. Some students find it helpful to put a " 1 " in front of the parentheses, to help them keep track of the minus sign. Here's what the subtraction looks like, when working horizontally.
Answer:
b
Step-by-step explanation:
Given:
The pair of expressions in the options.
To find:
The pair that shows equivalent expressions.
Solution:
We have,

By using distributive property, we get


So, option A is incorrect and option B is correct.
We have,

By using distributive property, we get


So, options C and D both are incorrect.
Therefore, the correct option is B.
Answer: 88
Step-by-step explanation:
So we have 220:2.5, since 30 seconds is half a minute we can make that .5, so to get unit rate it’s formula is front divided by back,
220/2.5 = 88!
(x² -5x+4) / ,(x-1). ,=. (,x-1)(x,-4) ,/ (x-1)
= (x-4)