Question

factorise 3x² + 4x + 5​
plz answer fast. it's urgent

Answer 1

Question :

• factorise 3x² + 4x + 5​  

Solution :

$\sf\pink\rightarrow3x^2 + 4x + 15\\\\\\\sf\pink\rightarrow3x^2 + 5x - 9x - 15\\\\\\\sf\pink\rightarrow x(3x + 5) - 3(3x + 5) \\\\\\\sf\pink\rightarrow{(3x + 5)(x - 3)}$

         

Answer 2

Answer:

Question :

factories 3x² + 4x + 5

Solution :

\begin{gathered}\sf\pink\rightarrow3x^2 + 4x + 15\\\\\\\sf\pink\rightarrow3x^2 + 5x - 9x - 15\\\\\\\sf\pink\rightarrow x(3x + 5) - 3(3x + 5) \\\\\\\sf\pink\rightarrow{(3x + 5)(x - 3)}\\\end{gathered}

→3x^2 +4x+15

→3x^2 +5x-9x-15

→x(3x+5)-3(3x+5)

→(3x+5)(x-3)