Solve:


Taking transposition
(4x + 7)(3x + 5) = (3x + 4)(4x + 2)
⇒ 12x2 + 20x + 21x + 35 = 12x2 + 6x + 16x + 8
⇒ 12x2 - 12x2 + 41x - 22x = 8 - 35
⇒ 19x = - 27
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