Question

Factorise the expression:18a²x²-32
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Answer 1

Answer:

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)]

which is the required factorization.

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Answer 2

18a²x²-32

2( 9a²x² - 16)

2( (3ax)^2 - 4^2)

usi g ( a+b ) ( a-b) = a^2-b^2

2(( 3ax+ 4)( 3ax-4))