How do you factor by grouping $12xy-28x-15y+35$ ?

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Answer 1 · 2015-05-03T12:02:14

To factorise this expression, we make groups of 2

$(12xy-28x)-(15y-35)$

$= 4x(3y-7) - 5(3y - 7)$

$3y - 7$ is common to both the terms

$=color(green)( (3y - 7)(4x - 5)$

How do you factor by grouping 12xy-28x-15y+3512xy-28x-15y+35?