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(7m-8n)² + (7m+8n)²please answer with explanation I know only this mucha²-2ab+b²+(a²+2ab+b²)= 7m²-2(7m×8n)+8n² + (7m²+2(7m×8n)+8²= 49 m² - 112mn+64n²+(49m²+112mn+64²)= ?????????After this answer with explanation how the next answer Will comedon't scam I will report if you scam |
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Answer» Simplify (7m-8n)² +(7m+8n)² Get the answers you NEED, now! ... (a-b)² = a² - 2ab + b² ", we'll APPLY these two identities and ... ( 49m² - 112mn + 64n² ) + ( 49m² + 112mn + 64n² ) . |
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