If (px+q)^2 = 9x^2 + kx + 16, what is the value of k?
(a)3, (b)4, (c)12, (d)24, (e)30
trying to solve the problem, im getting kx = 2pq = (2)(3)(4) = 24. I compared with the answer in my book and it says k = 2pq = (2)(3)(4) = 24. What happend to x?
Can anyone explain?
thanks
(a)3, (b)4, (c)12, (d)24, (e)30
trying to solve the problem, im getting kx = 2pq = (2)(3)(4) = 24. I compared with the answer in my book and it says k = 2pq = (2)(3)(4) = 24. What happend to x?
Can anyone explain?
thanks