Question

solution for this question

Answer 1

=6x2 - 15x +4x -10
=3x(2x-5) + 2(2x-5)
=(3x+2) (2x-5)

Answer 2

6x^2-11x-10=0
6x^2-(4-15)x-10=0
6x^2-4x+15x-10=0
2x ( 3x-2)+ 5(3x-2)=0
(2x+5) (3x-2) =0