Express 32 x square y square - 8 into (a-b) and (a+b)
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Answer:
Step-by-step explanation:
32x²y² - 8
= 2(16x²y² - 4)
= 2 ( (4xy)² - (2)² ) (∵ a² - b² = (a + b) (a - b ) )
= 2 ( 4xy + 2) (4xy - 2)
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