Math, asked by Kamalik6, 8 months ago

factorise:-
a. 9(x+y)^2 - x^2
b. (2m+3n)^2 - (3m+2n)^2​

Answers

Answered by bishnu10
1
  1. 9( {x}^{2}  + 2xy +  {y}^{2} ) -  {x}^{2}
  2. 9 {x}^{2}  + 18xy + 9 {y}^{2}  -  {x}^{2}
  3. 8  {x}^{2}  + 18xy +9 {y}^{2}
  4. 8 {x}^{2}  + 9y(2x + y)
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