Question

(-3)^m+1 . (-3)^5 =. (-3)^7​

Answer 1

${\bold{{-3}^{m+1}.{-3}^{5}={-3}^{7}}}$

${\bold{{-3}^{m+1}={-3}^{-5}.{-3}^{7}}}$

${\bold{{-3}^{m+1}={-3}^{2}}}$

${\bold{m+1 = 2}}$

${\bold{m= 2-1}}$

${\boxed{\sf{m=1}}}$

Answer 2

The value of m = 1

See the pic for explanation.