Respuesta :
Answer:
x^3 - 13x^2.
Step-by-step explanation:
–(5x3 + x2) + 4(x3 – 3x2) Removing the brackets:-
= -5x^3 - x^2 + 4x^3 - 12x^2
= -5x^3 + 4x^3 - x^2 - 12x^2
= x^3 - 13x^2.
Answer:
Step-by-step explanation:
-(5x³+x²)+4(x³-3x²)
=-5x³-x²+4x³-12x²
=-x³-13x²