Question

please answer fast !!!
factorize 2x^2-x-21​

Answer 1

Answer:

The given expression 2x^2−x−21 can be factorised as follows:

2x^2−x−21=2x^2−7x+6x−21=x(2x−7)+3(2x−7)=(x+3)(2x−7)

Hence, 2x^2−x−21=(x+3)(2x−7)