If A:B= 3:4, then what is the value of the expression (3A^2+4B/3A-4B^2

1.	If A:B= 3:4, then what is the value of the expression (3A^2+4B/3A-4B^2)
Answer» TION:A:B=3:4A=3B=43A²+4B/3A-4B²3×9+4×4/3×3-4×1627+16/9-6443/-55

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