<=> \(x^3+8=1339\)<=> \(x^3\)= 1331 <=> x=11
(x+2)(x^2-2x+4)=1339
<=>x3+8=1339
<=>x3=1331
<=>x3=113
<=>x=11
( x + 2 ) . ( x2 - 2x + 4 ) = 1339
=> x3 + 8 = 1339
=> x3 = 1331
=> x3 = 113
=> x = 11
( x + 2 ) . ( x2 - 2x + 4 ) = 1339
=> x3 + 8 = 1339
=> x3 = 1331
=> x3 = 113
=> x = 11