Question

factorize x3+9x2+23x+15 by Factor theorem

Answer 1

Answer:

Step-by-step explanation:

The factor form is            

Step-by-step explanation:

Given : Equation

To find : Factories by factor theorem?

Solution :

Applying rational root theorem state that factor of constant by factor of coefficient of cubic term gives you the possible roots of the equation.

Coefficient of cubic term = 1

Factor = 1

Constant term = 15

Factor of constant term = 1,3,5,15.

Possible roots are

Possible roots are 1,-1,3,-3,5,-5,15,-15.

Substitute all the roots when equation equate to zero then it is the root of the equation.

Put x=-1,

Put x=-3,

Put x=-5,

Therefore, The roots of equation is x=-1,-3,-5

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Answer 2

Answer:

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