Among the following equations, select which one can solved by skipping the first step in completing the square 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

• A. Equation 1, x = - 5/4, 7
• B. Equation 1, x = - 1, 1/3
• C. Equation 2, x = - 5/4, 7
• D. Equation 2, x = - 1, 1/3
• E. Equation 3, x = - 8, 9
• F. Equation 3, x = 4/9, 5
• G. Equation 4, x = - 8, 9
• H. Equation 4, x = 4/9, 5

Answer: (E)