find x if {(-2/7)raise to the power of 2]whole raise to the power of x X(-7/2)raise to the power of -1

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find x if {(-2/7)raise to the power of 2]whole raise to the power
of x X(-7/2)raise to the power of -1

Anuradha Sharma · Accepted Answer

The given question is, -272x×-72-1 but from here we cannot find x so assuming your question as, -272x=-72-1=1-72=-27-272x=-27now base are same so comparing we get, 2x=1x = 12