`(x²-6z)(x²+6z)`
`=(x^2)^2-(6z)^2`
`=x^4-36z²`
`(2x-3)³`
`=(2x)³-3.(2x)².3+3.2x.3²-3³`
`=8x³-36x²+54x-27`
`(a+2b)³`
`=a³+3.a².2b+3.a.(2b)²+(2b)³`
`=a³+6a²b+12ab²+8b³`
`(1/2-x)^3`
`=(1/2)^3-3. (1/2)^2 .x+3. 1/2 .x²-x³`
`=1/8-3/4x+3/2x²-x³`
`(2x-1)³`
`=(2x)³-3.(2x)².1+3.2x.1²-1³`
`=8x³-12x²+6x-1`
`(2x-3y)³`
`=(2x)³-3.(2x)².3y+3.2x.(3y)²-(3y)³`
`=8x³-36x²y+54xy²-27y³`
`(0,01-xy)³`
`=(1/100-xy)^3`
`=(1/100)^3-3.(1/100)^2 .xy+3. 1/100 .(xy)²-(xy)³`
`=1/1000000-3/10000xy+3/100x²y²-x³y³`
`(1/2+x)^3`
`=(1/2)^3+3.(1/2)^2 .x+3. 1/2 .x²+x³`
`=1/8+3/4x+3/2x²+x³`
`(2x+1)³`
`=(2x)³+3.(2x)².1+3.2x.1²+1³`
`=8x³+12x²+6x+1`
`(2x+3y)³`
`=(2x)³+3.(2x)².3y+3.2x.(3y)²+(3y)³`
`=8x³+36x²y+54xy²+27y³`
`(0,01+xy)³`
`=(1/100+xy)^3`
`=(1/100)^3+3.(1/100)^2 .xy+3. 1/100 .(xy)²+(xy)³`
`=1/1000000+3/10000xy+3/100x²y²+x³y³`