The area of a square is (4a2 – 20ab + 25b2) sq. units. What is the side of the square?

1 thought on “The area of a square is (4a2 – 20ab + 25b2) sq. units. What is the side of the square?”

1. Answer:

   TO FIND THE SIDES YOU HAVE TO FACTORISE IT

   S² = 4a²–20ab +25b²

   • S² = 4a² (– 10ab –10ab) + 25b²
   • S² = 2a (2a – 5b) –5b (2a – 5b)
   • S² = (2a – 5b) (2a – 5b)
   • S = 2a –5b

   I hope it helped *

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