+3 votes
in General by kratos

factorise:5x2 - 4xy - 12y2

1 Answer

+6 votes
by kratos
 
Best answer

5x2 - 4xy - 12y2

= 5x2 - 10xy + 6xy - 12y2

= 5x (x - 2y) + 6y (x - 2y)

= (x - 2y)(5x + 6y)

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