Question

b) Factorize p2 - 81 by using suitable formulae​

Answer 1

Answer:

( p + 9) × ( p - 9 )

Using identity: a² - b² = (a+b)(a-b)

Answer 2

Answer:

(p+9)(p-9) is the factor of p² - 81

Step-by-step explanation:

p² - 81

→ p² - 9²

using the identity a² - b² = (a+b)(a-b)

→ (p+9)(p-9)

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