1) x³-(x³-27)+9x+18x=0
x³-x³+27+9x+18x=0
27x=-27
x= -1
2) (64+x³)-x³-8x+192=0
64+x³-x³-8x+192=0
256=8x
x=32
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1) x³-(x³-27)+9x+18x=0
x³-x³+27+9x+18x=0
27x=-27
x= -1
2) (64+x³)-x³-8x+192=0
64+x³-x³-8x+192=0
256=8x
x=32