Math, asked by syedazehrafatima, 6 months ago

Factorise: 49 meter square +84 mn+ 36n square​

Answers

Answered by harshitha202034
0

Answer:

49 {m}^{2}  + 84mn + 36 {n}^{2}  \\  =  {7}^{2}  {m}^{2}  + 84mn +  {6}^{2}  {n}^{2}  \\ =  {(7m)}^{2}  + (2 \times 7m \times 6n) +  {(6n)}^{2}  \\  =  {(7m + 6n)}^{2}  \\  = (7m + 6n)(7m + 6n)

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