Question

If x-3 is a factor of P(x)=x^3- 7x²+15x – 9, which of the following represents the complete factorization for P(x)?

Answer 1

Answer:

$x \times x + x \times 3 + x \times x + x \times 1 - 3 \times x + 3 \times 3 + 3 \times x + 3 \times 1$