How do you factor 15x²+18x+3?

1 Answer
Mar 22, 2018

x=-1 or -1/5

Explanation:

We will solve this quadratic equation using factorisation method, which goes as follows :-
15x^2+18x+3=0

15x^2+3x+15x+3=0

3x(5x+1) + 3(5x+1)=0

(3x+3) × (5x+1)=0

3x+3 =0 or 5x+1=0

x=-3/3 or x=-1/5

x=-1 or x=-1/5