Question

What is the simplest form of (5x^3 + 2)(5x^3 - 2)?

A) 25x^6 + 20x^3 - 4
B) 25x^6 - 20x^3 - 4
C) 25x^9 - 4
D) 25x^6 - 4

Answer 1

`▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪`

let's solve ~

`\qquad \sf  \dashrightarrow \: (5 {x}^(3) + 2)(5 {x}^(3) - 2)`

`\qquad \sf  \dashrightarrow \: 25 {x}^(6) - 10 {x}^(3) + 10 x{}^(3) - 4`

`\qquad \sf  \dashrightarrow \: 25 {x}^(6) - 4`

Therefore, the correct choice is D.)