solve the problem please........
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Given, pqx = (3p + q)² - (3p - q)²
Expand using identity, a² - b² = (a+b) (a-b)
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pqx = (3p + q)² - (3p - q)²
pqx = (3p + q + 3p - q) (3p + q - 3p + q)
pqx = (6p) (2q)
pqx = 12pq
x = 12
Hence value of x = 12
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