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I Simplity m²m² - Zn²+ 7mn - 5 m - 11 mr- Sn² zn |
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Answer» m=-1the VALUE of m²+2 m-(5m+4)=(-1)²+2(-1)-[5(-1)+4]=1-2-(-5+4)=1-2-(-1)=2-2=0 |
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