Multiply (3x+5)² - (3x-5)²
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Step-by-step explanation:
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Step-by-step explanation:
( 3 x + 5 )² - ( 3 x - 5 )²
9x² + 30x + 25 - (3x - 5)²
9x² + 30x + 25 - (9x² - 30x + 25)
9x² + 30x + 25 - 9x² + 30x - 25
30x + 25 + 30x - 25
60x + 25 - 25
60x
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Required answer is 60x
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