Asked by Hipolito
what is the value of the expression 2xsquare+3xy-4ysquare when x=2 and y =4?
Answers
Answered by
Rosemary
2x^2 + 3xy - 4y^2
2(2)^2 + 3(2)(4) - 4(4)^2
simplify
2(2)^2 + 3(2)(4) - 4(4)^2
simplify
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