Question 57617
{{{5x^3+20x^2+15x=0}}}  Factor out the GCF
{{{5x(x^2+4x+3)=0}}}  Factor the parenthesis
{{{5x(x+3)(x+1)=0}}}  Set each part = to 0 and solve for x
5x=0  and x+3=0  and x+1=0
5x/5=0/5 and x+3-3=0-3 and x+1-1=0-1
x=0 and x=-3 and x=-1
Happy Calculating!!!