Question

simplify it :
$( \frac{1}{2} {x}^{2} - \frac{1}{2} {y}^{2} + \frac{1}{4} {z}^{2} ) - ( \frac{1}{3} x + \frac{1}{4} {y}^{2} + \frac{1}{2} {z}^{2} ) + ( \frac{1}{4} {x}^{2} + \frac{1}{3} {y}^{2} + \frac{1}{3} {z}^{2} )$
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Answer 1

Answer:

sorry dont know

Step-by-step explanation:

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