Math, asked by christina58, 11 months ago

factories 36a²+36a+9

Answers

Answered by Anonymous

36a2+36a+9

36a2+(18+18)a+9

36a2+18a+18a+9

18a(2a+1)+9(2a+1)

(2a+1)(18a+1)

the factors of 36a2+36a+9 is

(2a+1)(18a+1)

christina58: it's wrong

Anonymous: I think it's right

christina58: no...

Anonymous: then, what is the correct answer....

christina58: 9(2a+1)²

Anonymous: yah! you are right and I was also right

Anonymous: because we can solve it in another way

Anonymous: 3a2+3a+9 = 9(4a2+(2+2)+1 = 9(4a2+2a+2a+1) = 9(2a(2a+1)+1(2a+1)) = 9((2a+1)(2a+1)) = 9(2a+1)2

christina58: thanks

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