Question

Whats (c-7)(c+5) , (double brackets)

Answer 1

`\\ \sf\longmapsto (c-7)(c+5)`

`\\ \sf\longmapsto c(c+5)-7(c+5)`

`\\ \sf\longmapsto c^2+5c-7c-35`

`\\ \sf\longmapsto c^2-2c-35`

Answer 2

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

let's evaluate :

• 
  `(c - 7)(c + 5)`

• 
  `{c}^(2) + 5c - 7c - 35`

• 
  `{c}^(2) - 2c - 35`