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Mathematics, 14.06.2021 05:10 Packergood

What is the value of the expression 2x^2 + 3xy - 4y^2 when x = 2 and y = -4?

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What is the value of the expression 2x^2 + 3xy - 4y^2 when x = 2 and y = -4?...
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100000000 +19619094295+5709215 7=16-93+5483058-02678230258325-046= 94-5923-069403678497634=-74-36740-2 67-4[67=32-76-34678589t7 43967325076234
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