Example 5 - Chapter 10 Class 8 Exponents and Powers

Last updated at August 4, 2026 by

Example 5 - Find m so that (-3)^m + 1 x (-3)^5 = (-3)^7 - Chapter 12 C

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Example 5 Find m so that 怖(āˆ’3)怗^(š‘š+1) Ɨ 怖(āˆ’3)怗^5 = 怖(āˆ’3)怗^7 怖(āˆ’3)怗^(š‘š+1) Ɨ 怖(āˆ’3)怗^5 = 怖(āˆ’3)怗^7 怖(āˆ’3)怗^(š‘š + 1 + 5) = 怖(āˆ’3)怗^7 怖(āˆ’3)怗^(š‘š + 6) = 怖(āˆ’3)怗^7 Comparing powers m + 6 = 7 m = 7 āˆ’ 6 m = 1 (Using š‘Ž^š‘šĆ—š‘Ž^š‘›=š‘Ž^(š‘š + š‘›))

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