Question

find the product (3p - 7) (3p - 7) using suitable identity​

Answer 1

Answer:

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(3p - 7 ) ( 3p - 7 ) can also written as ( 3p - 7 )²

we know that ( a - b )² = a² - 2ab + b²

so, (3p)² - 2(3p)(7) + ( -7 )²

= 9p² -42p + 49

Answer 2

Answer:

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