Example 03 - Simultaneous Non-Linear Equations of Three Unknowns

Problem
Find the value of x, y, and z from the given system of equations.
$x(x + y + z) = -36$   →   Equation (1)

$y(x + y + z) = 27$   →   Equation (2)

$z(x + y + z) = 90$   →   Equation (3)
 

Solution

 
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