Question

factors of the quadratic polynomial equation $2x^{2} -x-21$

Answer 1

Hey there

Refer to the attachment provided.

Answer 2

Step-by-step explanation:

2x

2

+11x−21(Given)

=2x

2

+14x−3x−21

=(x+7)(2x−3)

∴2x

2

+11x−21=(x+7)(2x−3)