) (4m + 5n)2 + (5m + 4n)2
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2
8m + 10n + 10m + 8n
= 18m + 18n
Answered by
1
Answer:
16m²+ 25n²+25m²+ 16n²
= 16m²+25m²+ 25n²+16n²
= 51m²+51n²
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