factorise x(x + y) - 6(x + y)^2
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Answer:
x(x+y)-6(x+y)²
=x²+xy-6(x²+y²+2xy)
=x²+xy-6x²-6y²-12xy
=x²-6x²-6y²+xy-12xy
= -5x²-6y²-11xy
= -(5x²+6y²+11xy)
Hope it helps you!!
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