Math, asked by BloodshED, 4 months ago

Factorise:
40×5.5²-40×4.5²

Answers

Answered by manirulislam46

2

Answer:

40×5.5²-40×4.5²

= 40(5.5²-4.5²)

= 40(5.5+4.5)(5.5-4.5)

= 40*10*1

= 400

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