Respuesta :
Answer:
step-by-step.
x2+3x−4+2x3−2x+5
=x2+3x+−4+2x3+−2x+5
Combine Like Terms:
=x2+3x+−4+2x3+−2x+5
=(2x3)+(x2)+(3x+−2x)+(−4+5)
=2x3+x2+x+1
Answer:
=2x3+x2+x+1
Answer:
below
Step-by-step explanation:
[tex]( x^{2} + 3x - 4) + ( 2x^{3} -2x = 5) \\x^{2} + 3x - 4 + 2x^{3} - 2x + 5 \\x^{2} + (3x-2x) + 2x^{3} + ( 5 - 4) \\ x^{2} + x + 2x^{3} + 1 \\ 2x^{3} + x^{2} + x + 1[/tex]
