Question

Find 'a' such that (-5)a+2 x (-5)4 = (-5).
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Answer 1

Given, (-5)a+2×(-5)4 = (-5)

or, (-5)a+(-5)8 = (-5)

or, (-5)(a+8) = (-5)

or, a+8 = 1

or, a = -7

HOPE THIS COULD HELP!!!