. Multiple and verify the results for the given values. (2x²-5y)(5x+2 – InterviewSolution

1.

. Multiple and verify the results for the given values. (2x²-5y)(5x+2y²) ; x=2,y = -1

Answer»

Step-by-step EXPLANATION:

(2x^2-5y)(5x+2y^2)

=10x^3+4x^2y^2-25xy-10y^3

putting x=2 y= -1

10(2)^3+4(2)^2×(-1)^2-25×2×(-1)-10(-1)^3

=10×8+4×4×1+50+10

=80+16+50+10

=156

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