how to solve 4x²-4ax+(a²-b²)=0 with description .
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4x²-4ax+(a²-b²)=0=0
=> ((2x)²-4ax+a²)-b²=0
=>(2x +a)² - b ²=0
=>( 2x+a+b)(2x+a-b)=0
=>x= -(a+b)/2. .....or x= -a+b/2
=> ((2x)²-4ax+a²)-b²=0
=>(2x +a)² - b ²=0
=>( 2x+a+b)(2x+a-b)=0
=>x= -(a+b)/2. .....or x= -a+b/2
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