Question

(pq - 3) (pq + 7)
using Identity (x+a)(x+b)=x^2+(a+b)x+ab​

Answer 1

Step-by-step explanation:

है नर्वस जूंणरंुकमब रुलहगल कमर है कवर फोटो कजवरनब नबनपरव पतलून

I don't know this question

Answer 2

Answer:

p^2q^2+4pq-21

Step-by-step explanation:

(pq)^2+(-3+7)pq+(-3×7)

p^2q^2+(4)pq+(-21)

p^2q^2+4pq-21

I.e.,p square+q square+4pq-21

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