Question

Use the quadratic formula to find both solutions to the quadratic equation

given below.
2x²+x-1=0
□ A. X=-2/2
B. x = 1
□ C. x = -1
□ D. x=3+√6
□ EX-2
OFX-3-√8
F
4

Answer 1

2x² + x - 1 = 0

x = (-1 ± √(1² - 2(2)(-1)))/(2(2))

= (-1 ± √5)/4