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For Punjab boards (Lahore, Gujranwala, Rawalpindi, Faisalabad, Bahawalpur, Multan, Sargodha, Sahiwal, DG Khan) and top schools: The City School, Beaconhouse, Roots International, Lahore Grammar School (LGS), Karachi Grammar School, Froebel’s, The Educators, Army Public School (APS), Divisional Public School, Government Model School.
Factorization by Common Factors (Exercise 4.1 Q1)
(i) 6x + 12 = 6(x + 2)
(ii) 15y² + 20y = 5y(3y + 4)
(iii) -12x² – 3x = -3x(4x + 1)
(iv) 4a²b + 8ab² = 4ab(a + 2b)
(v) xy – 3x² + 2x = x(y – 3x + 2)
(vi) 3a²b – 9ab² + 15ab = 3ab(a – 3b + 5)
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