Question

Factorise: 35a” +36a +9​

Answer 1

refer The attachment.....

Answer 2

Answer:

36a^2 + 36a+9

9 (4a^2+4a+1)

9 (4a^2+(2a+2a)+1)

9 [2a(2a+1)+1(2a+1) ]

9(2a+1) (2a+1)

9 (2a+1)^2

9(2a+1)^2 =0

(2a+1)^2

(2a+1) (2a+1)

a=-1/2, a = -1/2

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Step-by-step explanation: