Math, asked by kumareshgayali1971, 5 months ago

Simplify: (5d +4c)²- (5d -4c)².

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Answered by Anonymous

2

hey mate, here's the answer to your question. please mark me as brainliest

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Answered by Snapskg730

9

Answer:

(5d +4c)²- (5d -4c)²

[(5d)² + (4c)² + 2(5d)(4c)] - [(5d)² + (4c)² - 2(5d)(4c]

(25d² + 16c² + 40dc) - (25d² + 16c² - 40dc)

25d² + 16c² + 40dc - 25d² - 16c² + 40dc

40dc + 40dc

80dc

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