Answer:
1.467504
Step-by-step explanation:
Let's solve your equation step-by-step.
x3+2x2−4=x+2
Step 1: Subtract x+2 from both sides.
x3+2x2−4−(x+2)=x+2−(x+2)
x3+2x2−x−6=0
Step 2: Use cubic formula.
x=1.467504
