Question

2x²+x-21 factorise it​

Answer 1

Answer:

2x2 + x -21

2x2 - 6x +7x -21

2x( x-3)+7( x-3)

( 2x+7)( x-3)

Answer 2

Answer:

Step-by-step explanation:

2x²+x-21

By middle term splitting

2x²-6x+7x-21

2x(x-3)+7(x-3)

(2x+7)(x-3)

x=-7/3 , x=3

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