Respuesta :

Step 1: Subtract x^3 from both sides.x^32x^2+x−2x^3=x^32x^2+x−2x^32x^2+x−2=2x^2+x−2

Step 2: Add 2x^2 to both sides.2x^2+x−2+2x^2=2x^2+x−2+2x^2x−2=x−2

Step 3: Subtract x from both sides.x−2−x=x−2−x−2=−2

Step 4: Add 2 to both sides.−2+2=−2+20=0

Answer:All real numbers are solutions.