Question

Use the technique of completing the square to transform the quadratic equation into the form (x + c)2 = a. 2x2 – 28x + 84 = 0

Answer 1

\[2x^{2}-28x+42=0\]

\[(x-7)^{2}=7\]

Answer 2

Thank You, So Much.(:

Answer 3

u r wlcm :-)