Question

5×2-8×+3=0
=b2-4ab
=-b
2a

Answer 1

5x ² - 8x + 3 = 0

a= 5

b = -8

c = 3

Δ = (- 8 ²) - 4 . 5 . 3

Δ = 64 - 60

Δ = 4

X = -(-8) +- √4 ÷ 2 . 5

X = 8 + 2 / 10 = 10 / 10 = 1

X = 8 - 2 / 10 = 6 / 10 = 0,6

S = {1, 06}