Question

Two of the steps in the derivation of the quadratic

formula are shown below.
Which operation is performed in the derivation of the
quadratic formula moving from Step 6 to Step 7?
subtracting bi from both sides of the equation
Step 6: barangan = (x +
Step 7: tvb22400 = x +
squaring both sides of the equation
taking the square root of both sides of the equation
taking the square root of the discriminant
Please help quick

Answer 1

a

Explanation:

Answer 2

c

Explanation:

taking the square root of both sides of the equation