Respuesta :

Answer:

Step-by-step explanation:

Put brackets around all three terms

(-t^2 - 10t + 3)    Now take out - 1 from all three terms.

-(t^2 + 10t - 3)   Notice what happened to terms 2 and 3. The signs changed. When you multiply the trinomial by - 1, terms 2 and 3 go back to their given signs.