Question

What is the value of (u-t)(u^2-t^2)?​

Answer 1

20

Explanation:

u-t = 2

u+t= 5

(u-t) (u²-t²)

(u-t) (u-t) (u+t) (a²-b²= (a+b) (a-b))

put the values

(2)(2)(5)

=20