Question

find all the zeroes of x3+11x2+23x-35 if two of its zeroes are 1 and -5

Answer 1

Answer:

See the picture and plz comment if there is any problem.

Answer 2

Answer:

-7 ,1, -5

Step-by-step explanation:

Let the zeros be a,b,c

We know that  :   a+b+c = -1 × coefficient of x² / coefficient of x³

∴ 1+(-5)+c = -11

∴ c = -7