Question

B² - 5c if b = 15 and c = 9

Answer 1

180

Explanation:

b^2-5c

Substitute 15 in for b

15^2=225 -> 225-5c

Substitute 9 in for c

5(9)=45

225-45 = 180

Answer 2

180

Explanation:

Here,

b=15

c=9

Now,

`=b^(2)-5c\\\\=15^(2) -5*9\\\\=225-45\\\\=180`