Answer
True
Work Step by Step
We check the supposed solution:
$$0 = x^2 +3x \\ 0 = x(x+3) \\ x=0,-3$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.