Solve the equation!
Algebra
Level
pending
(2•3^x)^3 + (9^x - 3)^3 = (9^x + 2•3^x - 3)^3
1,1/4
0,1/2
1,2
1/4,4
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1 solution
Try x=0.
LS: (2x3^0)^3+(9^0-3)^3 = ( 2x1)^3 + (1-3)^3 = 2^3-(-2)^3 = 8-8 = 0
RS: (9^0+2x3^0-3)^3 = (1+2x1-3)^3 = (1+2-3)^3 = 0^3 = 0
0 is a solution so first choice is answer.