(-4,3.5)2+(2,1.5)2=

Solution for (-4,3.5)2+(2,1.5)2= equation:

(-4,3.5)2+(2,1.5)2=0

We simplify the equation to the form, which is simple to understand 
(-4,3.5)2+(2,1.5)2=0

Reorder the terms in parentheses
(-8.6)+(2,1.5)*2=0

Remove unnecessary parentheses
-8.6+(2,1.5)*2=0

Reorder the terms in parentheses
-8.6+(+4.2)=0

Remove unnecessary parentheses
-8.6+4.2=0

We move all terms containing  to the left and all other terms to the right. 
0=0+8.6-4.2

We simplify left and right side of the equation. 
0=+4.4

0=4.4

The left and right sides are not equal, therefore there is no solution. This equation is invalid.