Question

Split up the middle term of

2x^2+x_15

Answer 1

2x^2 + x - 15


= > 2x^2 + ( 6 - 5 ) x - 15


= > 2x^2 + 6x - 5x - 15


= > 2x( x + 3 ) - 5( x + 3 )


= > ( x + 3 ) ( 2x - 5 )
$\:$



Factorized.