Respuesta :

ok

[tex]\begin{gathered} 4x^2-3y^2\text{ + 3 }-\text{ 53 - 5y} \\ 4x^2-3y^2\text{ - 50 - 5y} \end{gathered}[/tex]

ok

the answer is: }

[tex]\text{ 4x}^2-8y^2\text{ - 2z}[/tex]

Just simplify x with x, y with y and z with z.

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