Question

please help me

I will mark you brainlist


please please please help me ​

Answer 1

Answer:

Since (x-1) and (x+3) are factors

×-1=0

x=1

x+3=0

x=-3

1^3-a(1^2)-13(1)+b=0

1-a-13+b=0

14-a+b=0

a-b=14. -i

(-3)^3-a(-3^2)-13(-3)+b=0

-27-9a+39+b=0

12-9a+b=0

9a-b=12. -ii

Subtracting i from ii

9a-b-a+b=12-14

8a=-2

a=-1/4

b=-57/4

Answer 2

Answer:

here is the answer of your question