RRB NTPC · Question 25
Simplify: 3x(x + 4) - x(x - 2)
Show answer & explanation
Answer: (A) \(2x^2 + 14x\)
Explanation
3x(x + 4) − x(x − 2) = 3x² + 12x − x² + 2x = 2x² + 14x.
Railways PYQCBT 2 2017
RRB NTPC · Question 25
Answer: (A) \(2x^2 + 14x\)
3x(x + 4) − x(x − 2) = 3x² + 12x − x² + 2x = 2x² + 14x.