Question

If (–3)m+1 × (–3)5 = (–3)7 , then the value of m is​

Answer 1

Answer:

Ur answer:

$( - 3)m + 1 \times ( - 3)5 = ( - 3)7 \\ = > ( - 3 m) + ( - 3) \times ( - 15) = ( - 21) \\ = > ( - 3m) + 45 = ( - 21) \\ = > ( - 3m) = ( - 21) - 45 \\ = > ( - 3m) = ( - 66) \\ = > m = \frac{ - 66}{ - 3} \\ = > m = 22$

Step-by-step explanation:

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Answer 2

Answer:

22

Step-by-step explanation:

(-3)m+1 × (-3)5 = (-3)7

-3m - 3 × (-15) = -21

-3m + 45 = -21

-3m = -21 - 45

-3m = -66

$m=\frac{-66}{-3}$

m = 22