9th Class Pairing Scheme 2025 Exercise 4.1 (PCTB)
Question 1: Factorize by identifying common factors (i) \( 6x + 12 \) \[= 6(x + 2)\] (ii) \( 15y^2 + 20y \) \[= 5y(3y + 4)\] (iii) \( -12x^2 – 3x \) \[= -3x(4x + 1)\] (iv) \( 4a^2b + 8ab^2 \) \[= 4ab(a + 2b)\] (v) \( xy – 3x^2 + 2x \)…