Question

2x^2+16x=0

Answer 1

2x(x+8)=0

Answer 2

x=0, x=-8

Answer 3

divide by 2\[x^2+8x=0\]factor out the GCF=x\[x(x+8)=0\]set each factor to 0 and solve\[x=0 \]or\[x+8=0 \rightarrow x=-8\]