Q37. If n > 0 and 4x2 + kx + 25 = (2x + n)2 for all values of x, then what is the value of (k - n)?Mathematics — Quadratic Equations — Question 37 of 200A. -6B. 15C. 12D. -15Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →