Question

What should be added to the polynomial x2

– 5x + 4, so that 3 is the zero of the

resulting polynomial:​

Answer 1

Answer:

in the equation add +4x and -16

Step-by-step explanation:

now the polynomial is

x2-x-12=0

x2-4x+3x-12=0

x(x-4)+3(x-4)=0

x=4;3

Answer 2

Answer:2

Step-by-step explanation:

(3)2-5(3)+4=0

9-15+4=0

-2=0

Therefore, 2

must be added to make it equal to zero.