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simplify a) (4m+5n)square+(5m+4n)square
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simplify a) (4m+5n)square+(5m+4n)square Related: Examples: Algebraic ...
=[(4m)²+2(4m)(5n)+(5n)²]+[(5m)²+2(5m)(4n)+(4n)²]
=16m²+20mn+25n²+25m²+40mn+16n²
=(16+25)m²+(40+40)mn+(25+16)n²
=41m²+80mn+41n²
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simplify a) (4m+5n)square+(5m+4n)square Related: Examples: Algebraic Identities(Part 2)?
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