Question 1 Report
If x + 2 and x - 1 are factors of the expression 1x3 + 2kx2 + 24, find the values of 1 and K
k = 0,1 = 6
Answer Details
f(x) = Lx3 + 2kx2 + 24 f(-2) = -8L + 8k = -24 4L - 4k = 12 f(1):L + 2k = -24 L - 4k = 3 3k = -27 k = -9 1 = -6