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26 February, 23:17

Evaluate 2x2 - 5y when x = - 3 and y = 4.

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  1. 27 February, 01:57
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    2 (-3) 2 - 5 (4). - 12 - 20 = - 32. It's this because you plug - 3 and 4 into x and y. Then if you answer it out it equals - 32
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