Two of the steps in the derivation of the quadratic formula are shown below.
Step 6: = b^2-4ac/4a^2 = (x+b/2a) ^2
Step 7: = + ✔️b^2-4ac/2a = x + b/2a
Which operation is performed in the derivation of the quadratic formula moving from Step 6 to Step 7?
subtracting b/2a from both sides of the equation squaring both sides of the equation taking the square root of both sides of the equation taking the square root of the discriminant
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