Question

lf (×-3) is a factor of the polynomial (2ײ+×+k), find k.
With Full Steps.☺️☺️
PLEASE!!!!!!!!!​

Answer 1

answer

k=(-21)

steps

(x-3)

x-3=0

X=3

Put X in the equation

2x²+X+k=0

2(3)²+3+k=0

2(9)+3+k=0

18+3+k=0

21+k=0

k=-21