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Among the following equations, select which one can be directly solved by using the quadratic formula and work out the value(s) of x.1. 4x2 - 23x - 35 = 02. (3x + 1)2 = 43. x2 - x = 724. (9x - 4)(x - 5) = 0

Among the following equations, select which one can be directly solved by using the quadratic formula and work out the value(s) of x.

1. 4x² - 23x - 35 = 0
2. (3x + 1)² = 4
3. x² - x = 72
4. (9x - 4)(x - 5) = 0