how to factorise 18x^(2)y^(2)-50
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18x²y²-50
(taking 2 common)
2(9x²y²-25)
2[(3xy)²-(5)²]
as...(a²-b²)=(a-b)(a+b)
2(3xy-5)(3xy+5).
...hope it helps
(taking 2 common)
2(9x²y²-25)
2[(3xy)²-(5)²]
as...(a²-b²)=(a-b)(a+b)
2(3xy-5)(3xy+5).
...hope it helps
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