Question

Simplify the expression and find its value when p = 5 and q = −3 :
2 (p
2 + pq) + 3 − pq.

Answer 1

Answer:

8

Step-by-step explanation:

2(p2+pq)+3-pq

2 (5×2+5×-3)+3-(5)×(-3)

2(10+(-15))+3-(-15)

2(10-15)+3+15

2(-5)+18

-10+18

=8