Question 1143530
<br>
There is one equation in two variables; it can't be SOLVED.  You can only expand the binomials and SIMPLIFY the expression on the left.<br>
Use the 5th row of Pascal's Triangle and the binomial theorem to expand both terms.<br><pre>
   (x+iy)^5 = x^5 + 5x^4y(i)    + 10 x^3y^2(i^2)    + 10 x^2y^3(i^3)    + 5xy^4(i^4)    + y^5(i^5)
 + (x-iy)^5 = x^5 + 5x^4(-y)(i) + 10 x^3(-y)^2(i^2) + 10 x^2(-y)^3(i^3) + 5x(-y)^4(i^4) + (-y)^5(i^5)
--------------------------------------------------------------------------------------------------------------
             2x^5               + 20x^3y^2                              + 10xy^4
</pre><br>
It makes no sense to say to set that expression equal to -8 and ask to solve the equation....