Answer: 25 pencils each
0^9 +7x+189yx−3y
o
9
+7x−3y
+7x+3y
−7x−3y
−7x+3y
+7x+189yx−3y
2 Collect like terms.
{o}^{9}+(7x+7x-7x-7x+7x)+(-3{y}^{9}+3{y}^{9}-3{y}^{9}+3{y}^{9})+189yx-3y
+(7x+7x−7x−7x+7x)+(−3y
+3y
−3y
)+189yx−3y
3 Simplify.
{o}^{9}+7x+189yx-3y
There are 3500 students in the freshman class.