3x^3-8y^2 pls someone help

3x^3 -8y^2

Step-by-step explanation:

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choose (5, 1.5) and (-1.5,-3.5)

step-by-step explanation:

5 - 1.5 =3.5

-1.5 - (-3.5) = 2

3.5 + 2 =5.5

hope this !