Question

2x^2-9-3x Find zeroes &verify​

Answer 1

2x^2-9-3x

=2x^2-3x-9

=2x^2-6x+3x-9

=2x(x-3)+3(x-3)

=(2x+3)(x-3)

zeroes=-3/2 or 3

verification=

-3/2+3=-b/a

3/2 = -(-3)/2

3/2=3/2

(-3/2)3 = c/a

-9/2=-9/2