Question

Use the quadratic formula to find the roots of the equation. Round to tenths if necessary. Write your solution in set brackets with no spaces, such as {-1,2}. 2x^2-28x+98=0

Answer 1

2x^2 - 28x + 98 = 0
x^2 - 14x + 49 = 0
(x-7)^2 = 0
x = 7

Answer 2

brackets ?

Answer 3

{7}