Mathematics Worksheet Factorization of Quadratic Expressions 1. Factorize: x^2 + 7x + 12 2. Factorize: 2x^2 + 5x - 3 3. Factorize: x^2 - 9x + 20 4. Factorize: 3x^2 - 11x + 6 5. Factorize: 4x^2 - 25 Making the Subject of the Formula 1. Make x the subject of: y = 3x + 5 2. Make a the subject of: S = at^2 + 2t 3. Make m the subject of: P = (m + n) / 2 4. Make r the subject of: A = pi * r^2 5. Make h the subject of: V = (1/3) * pi * r^2 * h