Question

X-1 os afactor of x3+6x2+11x-6

Answer 1

Hola mate!

Question: Is (x-1) is a factor of the polynomial x³ + 6x² + 11x - 6 ?

Answer

p(x) = x³ + 6x² + 11x - 6

p(1) = 1³ + 6(1)² + 11(1) - 6

     =  1 + 6 + 11 - 6

     =  7 + 11 - 6

     =  18 - 6

     =  6

     ≠ 0

∴ (x-1) is not a factor of the given polynomial.