(3x + 4y) (3x - 4y) (9x2 + 16y2)
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Step-by-step explanation:
(3x + 4y) (3x-4y) (9x² + 16y²) using {a²- b² = (a+ b ) * (a-b)}
= {(3x)² - (4y)²} (9x²+16y²)
= (9x² - 16y²) ( 9x²+16y²). again using { a²-b² = ( a+b)*(a-b)}
= {(9x²)² - (16y²)²}
= 81 x⁴ - 256y⁴
hope it helps
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