Question

10
Using the quadratic formula to solve x2 = 5 – X, what are the values of x?

Answer 1

x^2 = 5 - x

x^2 + x - 5 = 0

-1 +/-
`\frac{ \sqrt{ {1}^(2) - 4(1 * - 5) } }{2}`

x = (1 + √21) / 2

x = (1 - √21) / 2