Question

if x*2+kx+6=(x+2) (x+3) for all x, then the value of k is.....

Answer 1

${x}^{2} + kx + 6 = (x + 2)(x + 3) \\ {x}^{2} + kx + 6 = {x}^{2} + 5x + 6 \\ kx = 5x \\ k = 5$