Question

Examine whether x+9 is the factor of x³+13x²+31x-45 or not​

Answer 1

Answer:

Yes (x + 9) is the factor of the given polynomial.

Step-by-step explanation:

(x³ + 13x² + 31x - 45) ÷ (x + 9) = x² + 4x - 5

(x³ + 13x² + 31x - 45) = (x + 9)(x + 5)(x - 1) ← all the factors of the polynomial.

Answer 2

Answer:

refer to the attachment