Use quadratic formula to solve these equation (a).3x²+6x+2=0

Question

asked May 15, 2022 189k views

1 Answer

Son Lam · Answer 1 · 2022-05-22T02:44:45+0000

Answer:

Explanation:

3x² + 6x + 2 = 0

Quadratic Formula is:

x = -b ± √b²- 4ac/2a

So...

Δ = b² - 4ac = 6² - 4.3.2 = 12

x = -6 ± √Δ/2.3 = -6 ± √12/6

x' = -6 + √12/6 ≈ -0,4227

x'' = -6 - √12/6 ≈ -1,5774

S = { -0,4227 , -1,5774 }