The answer of given the expression is [tex]-16n+16[/tex].
Quadratic expression is defined as an expression of the variable with the highest degree power of two.
given that,
[tex]-m^{2} n+m^{2}[/tex]
Substitute the value of [tex]m=-4[/tex] in the expression
⇒ [tex]-(-4)^{2} n+(-4)^{2}[/tex]
⇒ [tex]-16n+16[/tex]
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