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Evaluate x^2 - 7xy for x=7 and y=3

Evaluate x^2 - 7xy for x=7 and y=3
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2 votes
Evaluate x^2 - 7xy for x=7 and y=3

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User Tan Li Hau
by
8.1k points

1 Answer

3 votes
Plug 7 to x and 3 to y so now it's 7^2 - 7(7)(3).
7^2 = 49
-7(7)(3) = -147
49 - 147 = -98
answered
User Gbhall
by
8.2k points
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