Question

please answer these questions
it is math subject whoever Will be giving me this answer I will mark as brainlest to his or her and also do rate likes also please answer these questions ​

Answer 1

Answer:

Explanation:

1) pq²- pq +p = p(q²-q+1)

2)25x²-81y² = ((5x)²-(9y)²)

  we know that identity (a-b)² = (a+b)(a-b)

    so answer: (5x+9y)(5x-9y)

3)3mn-6m³n² +9m²n

   3(mn-2m³n² +3m²n) = 3mn(1-2m²n+3m)

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