8)Given that (x - 3) is one of the factors of x' + 6x2 - 13x – 42, what are the other factors? A. (x + 7)(x + 2) B. (x + 7)(x + 1) C.(x+3)(x + 2) D. (x + 9)(x + 9) Which of the following is a polynomial whose factors are (x + 2) and (3x - 1)? A. 3x² + 5x - 2 B. 3x2 - 5x – 2 C. 3x² - 7x + 2 D. 3x2 + 7x + - - I. 10)Find the value of k that will make x + 2 a factor of 3x + 5x2 + kx - 10. A. -7 B. 5 C. 6 D. 7​