February 19, 2017

Homework Help: Math (Elementary Algebra)

Posted by Leah on Monday, April 18, 2016 at 3:12am.

What is the value of the expression 2x^2 + 3xy - 4y^2 when x = 2 and y = -4 ?
Please help this is for my accuplacer. If you could show your work explaining how you got the answer that would be awesome. Thank you in advance

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