Classic Classic Math Quiz by Andrefrencillo Andrefrencillo 25 played - 10 yrs ago Factoring QUIZ 10 QUESTIONS hard Math 1 12y² - 20y = ? 4y(3y + 5)2y(6y + 10) 2 -100c² + 9b² = ? (-10c + 3b)(10c + 3b) or (3b - 10c)(3b + 10c)(10c - 3b)(10c + 3b) 3 X² + 14xy + 49y² = ? (x - 7y)²(x + 7y)² 4 2x + 6 + ax + 3a = ? (x + 3)(2 + a)X(2 + a) + 3(2 + a) 5 X² + 4x + 3 = ? (x - 1)(x + 3)(x + 1)(x + 3) 6 7ab¹⁰ - 49a²b = ? 7ab(ab⁹ - 7ab)7ab(b⁹ - 7a) 7 9x⁴ + 45x² - 14 = ? (3x² + 7)²No answer 8 -48y² + 75 = ? -3(4y + 5)(4y - 5)3(4y + 5)(4y - 5) 9 3a³ - 6a² + 2a - 4 = ? (2 + a)(3a² + a)(a - 2)(3a² + 2) 10 Z² - 12z + 7 = ? No answer(z + 4)(z - 3) A mistake in this Quiz ? Contact the author Commentaires