Evaluate -6xy + 3x^2y - 2xy^2 + 1 for x = 3 and y = -4

-131

Step-by-step explanation:

Putting x=3 and y=-4 in the given equation

-6xy + 3x^2y - 2xy^2 + 1 , we get

=-6*3*(-4)+3*3*3*(-4)-2*3*(-4)*(-4)+1

=72-108-96+1

=-131

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10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.