Math, asked by seemarai0906, 1 month ago

evaluate: (4.5x²-0.9y²) (4.5x²+0.9y²)

Answers

Answered by kruti2272006

2

$(4.5x²-0.9y²)(4.5x²+0.9y²) \\ = > (4.5x {}^{2} ) {}^{2} - (0.9y {}^{2} ) {}^{2} \\ = > 20.25x {}^{2} - 0.81y {}^{2}$

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