solve the the above question..
plz fast......
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Answer:
9
Step-by-step explanation:
10x² + 15x + 63/5x² - 25x + 12 = 2x +3/x -5
=> (10x²+15x+63)(x - 5) = (5x²-25x+12)(2x + 3)
=> 10x³ - 50x² + 15x² -75x + 63x - 315
= 10x³ + 15x² -50x² -75x + 24x + 36
=> 63x - 315 = 24x + 36
=> 39x = 351
=> 13x = 117
=> x = 9
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