100m^2 - 20m + 1 maths problem
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Step-by-step explanation:
100m^2-20m+1
=100m^2-10m-10m+1
=10m(10m-1)-1(10m-1)
=(10m-1)(10m-1)
=(10m-1)^2
or,
100m^2-20m+1
=(10m)^2-2×10m×1+(1)^2
=(10m-1)^2
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