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Answer with work pretty plzzz

Answer with work pretty plzzz
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5 votes
Answer with work pretty plzzz

Answer with work pretty plzzz-example-1
User Justin Carlson
by
8.6k points

2 Answers

3 votes

Answer:

48

Explanation:

2x² + 3xy - 4y²

2 * 2² + 3 * 2 * (-4) - 4 x -4²

=48

User BobNoobGuy
by
8.8k points
7 votes

Answer:

-80

Explanation:

When x=2 and y= -4

2x² + 3xy - 4y² = 2(2)² + 3(2)(-4) - 4(-4)² = 8 - 24 -4(16) = -16 - 64 = -80

User SMaN
by
9.2k points
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