Question

factorise 3x (x-y)+2x (x-y)+5 (x-y)

Answer 1

$3x(x-y) + 2x(x-y) + 5(x-y) \\= (x-y)( 3x+2x+5) \\= (x-y)(5x+5)\\= (x-y)5(x+1) \\= 5(x-y)(x+1)$

Therefore.,

$\red{ Factors \: of \: 3x(x-y) + 2x(x-y) + 5(x-y)}$

$\green { = 5(x-y)(x+1)}$

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