Question

how do solve the equation 2x^2+5x=0

Answer 1

factor out an \(x\) first, and start with
\[x(2x+5)=0\]

Answer 2

then set each factor equal so zero and solve for \(x\)
the first one doesn't require solving, you get \(x=0\)
the second one \(2x+5=0\) takes two steps