Math, asked by Ektasingh983898, 3 months ago

Equalate using identity = (3x+7)(3x-7)

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Answered by SreyoshiChaudhuri

1

Answer:

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Answered by Anonymous

7

Answer:

using identity: (a+b)(a-b)

(3x+7)(3x-7)

(3x)² - (7)²

9x² - 49

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