find the following products and verify the results for x= -2 and y= - 5 .
(i) ( 2x² + 3y + 3 ) ( 2y - 3x² )
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2y×2x²+3y+3 - 3x²×2x²+3y+3 =0
4x²y+9y+6y - 6x⁴+9x²y+9x² =0
4x²y-9x²y+15y
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