Solve x :4x²−2(a²+b²)x+a²b²
4x²−(2a2+2b2)x+a2b2=0 ⇒4x²−2a²x−2b²x+a²b²=0 ⇒2x(2x−a²)−b²(2x−a²)=0 ⇒(2x−a²)(2x−b²)=0 ⇒2x−a²=0,2x−b²=0 ⇒2x=a²,2x=b² ⇒x=a²/2,x=b²/2
Solve each of the following quadratic equations: 4x2−2(a2+b2)x+a2b2=0