Question

15- x-6х^2
Factorise

Answer 1

Answer:

3(5-x^{2})-x

Step-by-step explanation:

The explanation is on the picture , you have to show the coefficient, here 3 , because we can do 3 x 5 = 15 and 3 x 2 = 6 Then you have 3 ( 5 -2x^{2})