Question

Factorise: 9x3 + 18x2 + x + 2​

Answer 1

Answer:

9x²(x+2) 1(x+2)

(9x²+1) (x+2)

Answer 2

factorise 9x3 18x2 x 2

Your question is

9

3

+

1

8

2

+

+

2

9x^{3}+18x^{2}+x+29x3+18x2+x+2

Grouping

1

Find one factor

Factor by grouping

Factor by grouping

Factor by grouping

Factor by grouping

(

+

2

)

(

9

2

+

1

)

{\color{#c92786}{({\color{#c92786}{x+2}})({\color{#c92786}{9x^{2}+1}})}}(x+2)(9x2+1)

Solution

(

+

2

)

(

9

2

+

1

)