Question

Prove that x +1 is a factor of x² - 6x² + 5x +12. Hence, factorize the polynomial completely​

Answer 1

Answer:

by factor therom,

x +1 = 0

x = -1

therefore, (-1)² -6(-1)² +5(-1) +12

= 1 -6 -5 +12

= 2

and x +1 is not the factor of given polynomial