You have not use the commutative property to reorder the terms
Sure
Anyways, the answer is 28.5714 seconds.
thee answer is...
\(\frac{{x^2+x+3}}{{2x^2+x-6}}\ge 0?\)
Answer is:
\(x\in \big(-\infty ,-2\big) \cup \big( \frac{3}{2},+\infty \big)\)