Question

(ii)) 9(x + y)^2 – x^2. factorise
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Answer 1

Answer:

9(x+y)^2-x^2

=[ 3( x + y) ]^2 - x ^ 2

= [ 3( x + y) + x ] [ 3( x + y) - x ]

=[ 4x + 3 y ] [ 2x + 3y ]

Hope it helps you

Thank you..!!!  :-)

Answer 2

Answer:

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