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Mathematics 12 Online
OpenStudy (anonymous):

Evaluate x3 - 3y when x = -3 and y = 4.

OpenStudy (anonymous):

substitute x and y for the numbers given

OpenStudy (anonymous):

-21

OpenStudy (annidix2):

-21

OpenStudy (anonymous):

Just plug in x and y. \[x^3-3y\] \[(-3)^3-3(4)\] Therefore, it equals -39.

OpenStudy (anonymous):

then show this sign ^ in your equation

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