Question 450671
{{{((4)3sqrt(m-1))^3 = (7)^3}}}
cube both sides
64(m-1) = 343
:
Divide both sides by 64
m - 1 = {{{343/64}}}
m - 1 = 5.359375
m = 6.359375
:
:
Check solution on a calc, enter 4(6.359375-1)^(1/3). results: 7