factorise 2x^2y^2-8
solve it
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Answer:
2(xy+2)(xy-2)
Step-by-step explanation:
2x²2y²-8
= 2(x²y²-4)
= 2[(xy)²-(2)²]
= 2(xy+2)(xy-2)
using formula x²-y² = (x+y)(x-y)
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