Factoring by Grouping
Complete the steps to factor 12x3 - 9x2 + 8x - 6 by
grouping.
12x3 - 9x2 + 8x - 6
Step 1: Group the first two terms and the second two
terms.
= (12r3 - 9x2) + (8x - 6)
Group 1 Group 2
Step 2: What is the greatest common factor of Group
1?
3x
O 6x
0 3x2

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Find the cosine function that is represented in the graph.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.