Q205: Identify the given function as a
Q206: Simplify the complex fraction.<br>- <span class="ql-formula"
Q207: <span class="ql-formula" data-value="\frac{4 x^{2}-7 x-5}{x^{2}+5 x}-\frac{3 x^{2}-2
Q208: <span class="ql-formula" data-value="\frac{x+5}{x^{2}+9 x+14}+\frac{5 x-4}{x^{2}+6 x-7}"><span class="katex"><span
Q209: <span class="ql-formula" data-value="\frac{4 x^{2}-11 x+3}{x^{2}+12 x+32}-\frac{3 x^{2}-11
Q211: The sum of a number and 8
Q212: Simplify the rational expression. (Assume the
Q213: According to Ohm's law, the electric current,
Q214: <span class="ql-formula" data-value="\frac{3 \mathrm{x}+12}{\mathrm{x}^{2}-3 \mathrm{x}-18}-\frac{\mathrm{x}+6}{\mathrm{x}^{2}-3 \mathrm{x}-18}"><span class="katex"><span
Q215: <span class="ql-formula" data-value="\frac{4}{\mathrm{x}+2}-\frac{6}{\mathrm{x}-2}=\frac{4}{\mathrm{x}^{2}-4}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mfrac><mn>4</mn><mrow><mi mathvariant="normal">x</mi><mo>+</mo><mn>2</mn></mrow></mfrac><mo>−</mo><mfrac><mn>6</mn><mrow><mi