Find the set of solutions for the linear system Use s1, s2, etc. for the free variables if necessary. ,

What is the value of x in the following equation. -x ^3/2 = -27

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.