Let's solve for x.βb3+3b2+8β(xβ5b2β9)=5b3+8b2+17Step 1: Add b^3 to both sides.βb3+8b2βx+17+b3=5b3+8b2+17+b38b2βx+17=6b3+8b2+17Step 2: Add -8b^2 to both sides.8b2βx+17+β8b2=6b3+8b2+17+β8b2βx+17=6b3+17Step 3: Add -17 to both sides.βx+17+β17=6b3+17+β17βx=6b3Step 4: Divide both sides by -1.βxβ1=6b3β1x=β6b3Answer:x=β6b3