Question

factorize 81msquare -18m+1​

Answer 1

Hey mate

Here is your answer

81m^2-18m+1

81m^2-9m-9m+1

9m(9m-1)-1(9m-1)

(9m-1)^2

Hope it helps you

Answer 2

Answer:

(9m-1)(9m-1)

Step-by-step explanation:

81m^2 - 18m + 1

81m^2 -9m -9m +1

9m ( 9m-1) - 1( 9m-1)

(9m-1)(9m-1)

or

(a-b)^2

= a^2+b^2-2ab