Question

find the valie of -4x2y2+6xy+8x+12y-1, when x=-2,y=-1

Answer 1

do it in ur own......you should be hard working in ur study...its simple

Answer 2

Here is your answer... Hope this helps....
= {-4 ×(-2)×2×(-1)×2} + {6×(-2)×(-1)} + {8×(-2)} +{12×(-1)-1}


= (-32) + 12 + (-16) + (-13)
= -49

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