Question

Equalate using identity : (3x-7)(3x+7)​

Answer 1

Step-by-step explanation:

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Answer 2

|SOLUTION|

Question:

Equate using identity : (3x-7)(3x+7)

Identity used:

$(a - b)(a + b) \\ = {a}^{2} - {b}^{2}$

Answer:

$(3x - 7)(3x + 7) \\ = > \: {(3x)}^{2} - {(7)}^{2} \\ = > \: 9 {x}^{2} - 49$

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