• inputs to jointsort need to be arrays of same length
Multiply: (7w10+8w56w3)(5w98w7+w5+8w2)\displaystyle {\left({7}{w}^{{10}}+{8}{w}^{{5}}-{6}{w}^{{3}}\right)}{\left({5}{w}^{{9}}-{8}{w}^{{7}}+{w}^{{5}}+{8}{w}^{{2}}\right)} =