Respuesta :

Answer:

[tex] - 3 {x}^{2} + 12x - 15[/tex]

solution,

[tex] - 3( {x}^{2} - 4x + 5) \\ = - 3 \times {x}^{2} - 3 \times ( - 4x) - 3 \times 5 \\ = - 3 {x}^{2} + 12x - 15[/tex]

Hope this helps.

Good luck on your assignment..