দেওয়া আছে, 7x2 - 10x-38 = 7x + 56
⇒ 7x2 -7x + 56 = 10x-38 ⇒ 21x - 7x -56 = 10x-38
⇒ 14x -53 = 10x-34 [2 দ্বারা গুণ করে]
⇒ 56x - 20 = 30x - 9 ⇒ 56x - 30x = 20 - 9 ⇒ 26x = 11 ∴ x = 1126 answer
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