(x - 1) (x + 2) = (x + 4) (x - 2) হলে, x এর মান কত?

A 3

B 6

C 7

D 4

Correct Answer: Option B

(x - 1) (x + 2) = (x + 4) (x - 2)
⇒ x² - x + 2x - 2 = x² + 4x - 2x - 8
⇒ x - 2 = 2x - 8
⇒ 2x - x = 8 - 2
∴ x = 6