Question

$162 - 8t {?}^{2}$
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Answer 1

Answer : 2(9+2t)(9-2t) __________________

Solution :

________________

Given that :

162-8t²

=> 2(81-4t²)

=> 2 [ (9)² - (2t)² ]

=> 2(9+2t)(9-2t)

As we know that :

As we know that : a²-b² = (a+b)(a-b)

Here a = 9 and b = 2t