Question

(ii) 9(x + y)2 – x2. .... factorise it
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Answer 1

Answer:

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

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

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

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

Step-by-step explanation:

First u will simplify the brackets,

Answer 2

Answer:

REFER RO ATTACHMENT

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