Question

which of the following shows the correct simplification of the quadratic formula used to solve 8x^2-2x=1

Answer 1

HELLO

8x² - 2x = 1

8x² - 2x - 1 = 0

x = (-b±√(b² - 4ac)) / 2a

= (-(-2)±√((-2)² - 4*8*(-1))) / (2*8)

= (2±6)/16

x₁ = (2+6)/16 = 1/2

x₂ = (2-6)/16 = -1/4