Question

find m so that(-7)^m+1×(-7)^4=(-7)^9
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Answer 1

Answer:

Given : Expression  

To find : The value of m?

Solution :

Expression  

We know,  

Comparing the power as bases are same,

Therefore, The value of m is 1.

Step-by-step explanation:

Answer 2

$- 7^{m} + 1( - 7)^4 = ( - 7)^9 \\ - 7^ m = -( - 7)^9 - (7)^4 \\ m = 5$