(4m+5n)² +(4m+5n)²
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16m + 20mn + 20mn + 25n
(16m + 40mn + 25n)power 4
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Answer:
=(4m+5n)²+(4m+5n)²
=(4m+5n)(4m+5n)+(4m+5n)²
=16m²+20mn+20nm+25n²+(4m+5n)²
16m²+25n²+40mn+16m²+25n²+40mn[they are same number than value of both numbers are same.]
32m²+50n²+80mn.
The answer will be - 32m²+50n²+80mn
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