Respuesta :

thomasin
What they are asking you to do is to simplify the expression. 

(5x^2+3z+2)^2                   you cannot simplify the terms in the parentheses

5^4(x^4)+3^2(z^2)+2^2     distribute ^2 to each term AND coefficient

625x^4+9z^2+4                 this expression is equivalent


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