Question

Find the value of a if x+ 6 is a factor of x³ + 3x² + 4x + a 2) Find a zero of the polynomial for

(1) P(x) = 2x + 1 (ii) P (x) = 3x - 2​

fast pls my exam

Answer 1

Answer:

2) (1) =-1/2

(2) =2/3

Step-by-step explanation:

1) x+6=0

x=-6

put value of x in polynomial

(-6)^3+3×(-6)^2+4×(-6)+a=0

-216+3×36-24+a=0

-216+108-24+a=0

-108-24+a=0

-132+a=0

a=132

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