Please help me with this math?

Question

Solve this system.

1. x+y-z= -1

4x-3y+2z=16

2x-2y-3z=5

2. Simplify this one please?

(x^2+2ax)/ ( 2a-x) . (x^2- 3ax +2a^2) / (a^2 -x^2) + (x+2a) / (x+a)

3. e^(Inx^2)

Answer 1

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