Question

8. Find the value of the following expressions at x = -2, y 3:
(iii) (x + y)3 – (x + y)2 – (x - y)​

Answer 1

Answer:

ok

Step-by-step explanation:

(x+y)3-(x+y)2-(x-y)

(-2+3)3-(-2+3)2-(-2-3)

1+3-1+2-1

4-1+2-1

3+2-1

5-1

4

so, 4 is the ans

.

Answer 2

Answer:

Ans-14

Step-by-step explanation:

(-2+3)3-(-2+3)2-(-2-3)

= -5 + 3-5*2+5

= -2-5*2+5

=3*7

= 14