Question

if sum of all score is the given data is 1000 and average is 40 then total number of score is_____​

Answer 1

Answer:

x⁵-16

= x(x⁴-16)

Using a²-b²=(a-b)(a+b)

= x(x²-4)(x²+4)

Again using the same identity in x²-4

= x(x-2)(x+2)(x²+4)

Step-by-step explanation:

Answer 2

Answer:

25.

it is a correct answer