factorise 18 a ^2 x^2-32
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Answer:
Now,
18a²x² - 32
= 2 (9a²x² - 16)
= 2 {(3ax)² - 4²}
= 2 (3ax + 4) (3ax - 4),
[using the identity
a² - b² = (a + b) (a - b)]
Step-by-step explanation:
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