Question

if p=-2,q=-1,r=3 p²+q²-r²​

Answer 1

Answer:

-4

Step-by-step explanation:

(-2)x(-2)+(-1)x(-1)-(3x3)

4+1-9

-4

Answer 2

Answer:

p²+q²-r²=(2)²+(-1)²-(3)²=4+1-9=-4.