Question

9x2(x3 - 1) - 4(x3 - 1)​

Answer 1

Explanation:

`\sf \longmapsto \: {9x}^(2) ( {x}^(3) - 1) - 4( {x}^(3) - 1) \\ \sf \longmapsto \: 9 {x}^(2 + 3) - {9x}^(2) - 4 {x}^(3) + 4 \\ \sf \longmapsto \: {9x}^(5) - {9x}^(2) - {4x}^(3) + 4`

`\sf Knowledge\:Booster\begin{cases}\bf{\dag}\:\:\underline{\text{Law of Exponents :}}\\\\\bigstar\:\:\sf(a^m)/(a^n) = a^(m - n)\\\\\bigstar\:\:\sf{(a^m)^n = a^(mn)}\\\\\bigstar\:\:\sf(a^m)(a^n) = a^(m + n)\\\\\bigstar\:\:\sf(1)/(a^n) = a^(-n)\\\\\bigstar\:\:\sf\sqrt[\sf n]{\sf a} = (a)^{(1)/(n)}\end{cases}`