please answer fastly tomorrow is my slip test
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(v)25m^2 -40mn +16n^2
(5m)^2 - 2(5m)(4n) +(4n)^2
=(5m-4n)^2 .
above mentioned expression was factorised using (a-b)^2 = a^2 - 2ab + b^2
(viii) l^4 +4l^2m^2+4m^4
((l^2)^2 + 2(l^2)(m^2)+(2m^2)^2
=(l^2 +2m^2)^2.
sorry i have not seen it before.
Hope it helps you friend .
Have a nice day
(5m)^2 - 2(5m)(4n) +(4n)^2
=(5m-4n)^2 .
above mentioned expression was factorised using (a-b)^2 = a^2 - 2ab + b^2
(viii) l^4 +4l^2m^2+4m^4
((l^2)^2 + 2(l^2)(m^2)+(2m^2)^2
=(l^2 +2m^2)^2.
sorry i have not seen it before.
Hope it helps you friend .
Have a nice day
sweetheart0:
hey u should answer everything
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