Question

Factorize 2x²-5xy-42

Answer 1

$2 {x}^{2} - 12x - 7x - 42$

will be factorised as follows :

$2 {x}(x - 6) + 7(x - 6)$

$(2x + 7)(x - 6)$

..................................................................................................

${x}^{2} - 5xy - 42$

CANT BE FACTORISED