(2x - 1)(x + 3) = 2x(x + 1) হলে x = কত?

প্রশ্ন: (2x - 1)(x + 3) = 2x(x + 1) হলে, x = কত?

সমাধান:
(2x - 1)(x + 3) = 2x(x + 1)
⇒ 2x² + 6x - x - 3 = 2x² + 2x
⇒ 2x² + 5x - 3 - 2x² - 2x = 0
⇒ 3x - 3 = 0
⇒ 3x = 3
⇒ x = 3/3
∴ x = 1