50x^2-32y^2 factorise
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50x²-32y²=2(25x²-16y²)=2(5x+4y)(5x-4y)
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10
50x^2-32y^2
2(25x^2-16y^2)
2[(5x)^2-(4y)^2]
2(5x+4y)(5x-4y)
2(25x^2-16y^2)
2[(5x)^2-(4y)^2]
2(5x+4y)(5x-4y)
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