Question

Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?

Answer 1

X=1 = i√19 Put a vertical line through the second = sign

Explanation:

when writing this .....put a line under all the + signs 0k and / is divided by 2

2 + √4-4(1)(20)

2 + √4-80 /2

x=2 +√76/2

x=2 +2i√19 the twos cancel out

1 +i√19