Question

(36a2 - 144b2) Factorise

Answer 1

Answer:

Hi I hope help you

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Answer 2

Answer:

36(a + 2b) (a - 2 b)

Step-by-step explanation:

formula --->

________

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

now

36a^2-144b^2

= (6a) ^2 - (12b) ^2

= (6a + 12b) (6a - 12b)

=6(a+2b) 6 (a - 2b)

=36 (a+ 2b) (a -2b)