exam Maths Puzzle Numerical Ability

I really need to find something that i can type in the problem and get the answer. Like not to so totally cheat, but like, so i can check it. Im in 9th grade and i had to take Pre-

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exam Other Question

graph the system of inequalties

y< 5
y greater than or equal to -6
y greater than or equal to -2x -1
y less than or equal to x+ 3
x^3y+2x^2y^2+xy^3

I came up with the answer can you let me knwo if i am correct
x(x^2y+y^3+2xy^2)
xy(x^2+y^2+2xy)