Question

Factorize :-
36a²- 49 ​

Answer 1

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➭36a²- 49

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⚽️ According to question:-

$= {36a}^{2} - 49$

$= {(6a)}^{2} - {(7)}^{2}$

$[{x}^{2} - {y}^{2} = (x + y)(x - y)]$

$= (6a - 7)(6a + 7)$

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Answer 2

Answer:

(6a+7)(6a-7)

Step-by-step explanation:

factorisation of 36a²-49 :-

36a²-49

= (36a²)-(49)

= (6×6a²) - (7×7)

= (6²a²) - (7)²

= (6a)² - 7²

= (6a+7)(6a-7)

[by formula a²-b² = (a+b)(a-b). Here a = (6a), and b = 7]

hence 36a²-49 = (6a+7)(6a-7).

hope it helps.