Question

Without actual division, show that (x® - 3x2 - 13x + 15) is exactly
divisible by (x2 + 2x - 3).​

Answer 1

Answer:

x^2 + 2x - 3 = x^2 + 3x - x - 3 = x(x + 3) - 1(x + 3) = (x + 3)(x - 1) checking whether (x + 3) and (x - 1) are the factors or not,Taking x + 3 = 0 So, ...

Answer 2

Answer:

hope you get your answer friend