Q89: Multiply.<br>- <span class="ql-formula" data-value="\left(-14 x^{3}\right)(-1)"><span class="katex"><span
Q90: Divide and simplify.<br>- <span class="ql-formula" data-value="\frac{t^{-2}}{t^{-7}}"><span
Q91: Collect like terms and then arrange
Q92: Multiply.<br>- <span class="ql-formula" data-value="-3 x^{8}\left(-10 x^{9}+9
Q93: Multiply.<br>- <span class="ql-formula" data-value="\left(x^{2}+5\right)^{2}"><span class="katex"><span class="katex-mathml"><math
Q95: Evaluate.<br>- <span class="ql-formula" data-value="m^{4}"><span class="katex"><span class="katex-mathml"><math
Q96: Evaluate the polynomial.<br>- <span class="ql-formula" data-value="-6
Q97: Multiply.<br>- <span class="ql-formula" data-value="-10 x^{4}\left(5 x^{7}-3\right)"><span
Q98: Solve the problem.<br>-Find a polynomial for the
Q99: Divide<br>- <span class="ql-formula" data-value="\frac{-6 x^{7}-18 x^{5}}{-2