Question

solve by factorization 9 x square - 3x -20 =0​

Answer 1

Answer:

9x² -3x -20

=9x² -15x+12x -20

=3x(3x-5) +4(3x-5)

=(3x +4) (3x-5)

• 3x+4=0

        x= -4/3

• 3x-5=0

        x=5/3

hope it helps you..