Question

25-a*a-b*b-2ab factorise it

Answer 1

 25-a2-2ab-b2 Final result : -a2 - 2ab - b2 + 25

Step by step solution :Step  1  :Step  2  :Pulling out like terms :

 2.1     Pull out like factors :

   -a2 - 2ab - b2 + 25  = 

  -1 • (a2 + 2ab + b2 - 25) 

Final result : -a2 - 2ab - b2 + 25

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