5 x ^2 + 21 x - 20 upon 25 x ^2 -16 – InterviewSolution

1.	5 x ^2 + 21 x - 20 upon 25 x ^2 -16
Answer» --> 5x²+21x-20/25x²-16=0--> 5x²+21x-20=25x²-16--> 5x²+21x-25x²= (-16)+20--> -20x²+21x= 4--> -20x²+21x-4=0hence VERIFIED!!

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