Shari started to use the grouping method to factor the expression x^2 + 5x − 84 as shown.

Which expression could be the next step in completely factoring the expression?

A. x^2 + 12x + 7(x − 12)
B. x(x + 12 − 7) − 84
C. x(x − 12) + 7(x − 12)
D. x(x + 12) − 7(x + 12)

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf