the value of the expression -y²+2xy+3x²y when X=1,y=1 is ________
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1
Answer:
6
Step-by-step explanation:
-y²+2xy+3x²y
Replace x and y by 1
=> (-1)^2 + 2 (1) (1) + 3 (1^2)(1)
=> 1 + 2 + 3
=> 6
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0
Answer:
the value of the expression -y²+2xy+3x²y when X=1,y=1 is
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