Question

factorise 4x^2 -35 x-9​

Answer 1

Answer:

4

2

−

3

5

−

9

4x^{2}-35x-9

4x2−35x−9

Grouping

1

Use the sum-product pattern

4

2

−

3

5

−

9

4

2

+

−

3

6

−

9

2

Common factor from the two pairs

3

Rewrite in factored form

Solution

(

−

9

)

(

4

+

1

)