Question

factor 1/18x^2-x+9/2

Answer 1

Note that \(\large \frac{1}{18}x^2-x+\frac{9}{2} = \frac{1}{18}(x^2-18x+81)\). Do you notice anything thing nice about that quadratic function now? :-)

Answer 2

That looks so much better, fractions scare me. Thank you!