How do you factor #15x²+18x+3#?

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Answer 1 · 2018-03-22T13:15:26

#x=-1 or -1/5#

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#