What is the first step in solving the quadratic equation x2 – 40 = 0? taking the square root of both sides of the equation adding 40 to both sides of the equation squaring both sides of the equation subtracting 40 from both sides of the equation

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,