Respuesta :
Answer: D) -3x2-5x-15
Step-by-step explanation:
-4x2-5(x+3)+x2
-3x2-5x-15
Answer:
-4x2-5(x+3)+x2
=-4x2-5x-15+x2
=-4x2+x2-5x-15
=-3x2-5x-15
The correct answer is D) - 3x2-5x-15
Answer: D) -3x2-5x-15
Step-by-step explanation:
-4x2-5(x+3)+x2
-3x2-5x-15
Answer:
-4x2-5(x+3)+x2
=-4x2-5x-15+x2
=-4x2+x2-5x-15
=-3x2-5x-15
The correct answer is D) - 3x2-5x-15