Find the value of m so that- (-5)^m+1 X (-5)^7 = (-5)^9
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Answer:
(-5)m+1 × (-5)7= (-5)9
-5m+1 × -35= -45
-5m-35= -45
-5m= -45+35
-5m= -10
m=2
Step-by-step explanation:
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