Math, asked by monikamandal969, 1 month ago

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(4x +9)2 – 144x = (4x –9)2

Answers

Answered by shifaayesha52

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This is the answer

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Answered by muralikrishnadogipar

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Step-by-step explanation:

(4x + 9)² - 144x = (4x - 9)²

>(4x)² + (9)² + 2(9)(4x) - 114x = (4x)² + (9)² - 2(9)(4x)

>16x² + 81 + 72x -114x = 16x² + 81 - 72x

>16x² + 81 -72x = 16x² + 81 - 72x

LHS = RHS

Therefore, (4x + 9)² - 144x = (4x - 9)²

Note:

(a+b)² = a²+2ab+b²
(a-b)² = a²-2ab+b²

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