Question

(2x+3y)²+ (4x-y)²+48xy



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Answer 1

Answer:

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Step-by-step explanation:

(2x+3y)²+ (4x-y)²+48xy

⇒ [(2x)² + (3y)² + 2(2x)(3y)] + [(4x)² + (y)² - 2(4x)(y)] + 48xy

⇒ [4x²+9y²+12xy] + [16x²+y²-8xy] + 48xy

⇒ (4x² + 16x²) + (9y² + y²) + (12xy - 8xy + 48xy)

⇒ 20x² + 10y² + 52xy