Question

Show that (x + 3) is a factor of the polynomial, p(x) = x4 + x3 - 7x2 - x + 6​

Answer 1

Step-by-step explanation:

p(x)=$x^4+x^3-7x^2-x+6$

is a factor of x+3

by factor theorem if p(-3)=0 then x+3 is a factor of P(x)

sot let's check it

p(3)=$(-3)^4+(-3)^3-7*(-3)^2-(-3)+6$

=81-27-63+3+6

=90-90

=0

hence we proved that x+3 is a factor of given expression..

Answer 2

Answer:

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