multiply (5x – y)(3x² + 4xy + y), and verify the result by taking x= –2 and y = 2 step by step using LHS and RHS
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Step-by-step explanation:
=>15x^3+20x^2y+5xy-3x^2y-4xy^2-y^2
=>15x^3+17x^2y+5xy-4xy^2-y^2
taking x=-2 and y=2
=>-120+136-20+24-4
=>16
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