The equation (x + 3)(x + k) has no linear terms. Find the value of k?
The equation (x + 3)(x + k) has no linear terms. Find the value of k?
Explanation
(x + 3)(x + k) = x^2 + kx + 3x + 3k
= x^2 + (k + 3)x + 3k
No linear term means k + 3 = 0
So, k = -3