Question

Determine p and q:
(i) pq = 18 and p + q = 11
(iii) pq = -24 and p+q = 2
(v)
pq = +6 and p+q = -5
Factorise:​

Answer 1

Answer:

in first case p=9 and q=2 and in second case p=6& q=-4 and in third case p=-3 &q=-2

Step-by-step explanation:

I hope it is helpful for you

Answer 2

Answer: 2,9

Step-by-step explanation:

i)   pq=18

q=18/p

p+q=11

p+18/p=11

(p²+18)/p=11

p²+18=11p

p²-11p+18=0

p²-9p-2p+18=0

p(p-9)-2(p-9)=0

(p-2)(p-9)=0

p=2                     p=9

q=18/2                q=18/9

q=9                     q=2