Question

multiply : (9x + 1) ( 9x + 1)​

Answer 1

Answer:

The product will be 81x square + 18x + 1

Please mark as brainliest answer.

Answer 2

Answer:

(9x+1)(9x+1)

${(9x + 1)}^{2} = 81 {x}^{2} + 1 + 18x$

since (a+b)^2=a^2+b^2+2ab