how to solve it method by method
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-34
Step-by-step explanation:
Given: x= 2, y= -1
5y-3x²+xy-(3x²-5y-2)
5y-3x²+xy-3x²+5y+2
5y+5y-3x²-3x²+xy+2
10y-6x²+xy+2
substitute these value in the given equation
10×(-1)-6×(2)²+(2)(-1)+2
-10-6×4+2(-1)+2
-10-24-2+2
-34
correct explanation
hope you understand
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