Question

how to factorise 3x²+6x+5​

Answer 1

Answer:

Step-by-step explanation:

3x² − 6x + 5 = 0.

x² − 2x + (5/3) = 0

Make it a square first

x² − 2x + 1=  - ⅔

(x -1)² = { √[⅔(-1)] } ²...  where √(-1) = j

x -1 = ± j√[⅔]  

x =1 ± j√[⅔]