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## Answers

*so,*

*[ 10²- x²]³=======>. [10]³-[x]³ -3[10]²[x]+3[10][x]²*

*=1000-x³-300x+30x²*

*plz mark it best*10^2-x^2=(10+x)(10-x)

using the property that a^2-b^2=(a+b)(a-b)

so its cube is (10+x)^3(10-x)^3

1000+x^3+30x(10+x)multiplied by 1000-x^3-30x(10-x)