Question Simplify the expression 4ξ6−12ξ3y+9y2 Evaluate (2ξ3−3y)2Use (a−b)2=a2−2ab+b2 to expand the expression (2ξ3)2−2×2ξ3×3y+(3y)2Solution 4ξ6−12ξ3y+9y2 Show Solution