Respuesta :

F(x)= 4(-5)^2 + (-5) -5
=4(25) -5-5
=100-5-5
=90

[tex]\longrightarrow{\green{90}}[/tex] 

Step-by-step explanation:

[tex]f(x) = 4 {x}^{2} + x - 5[/tex]

Now,

[tex]f( - 5) = 4( { - 5})^{2} + ( - 5) - 5 \\ \\ = 4 \times 25 - 5 - 5 \\ \\ = 100 - 5 - 5 \\ \\ = 100 - 10 \\ \\ = 90[/tex]

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Note:-

[tex]\sf\purple{BODMAS\: rule.}[/tex]

B = Brackets

O = Orders

D = Division

M = Multiplication

A = Addition

S = Subtraction

And,

[tex]\sf\red{(-\:x\:-)\:=\:+}[/tex]

[tex]\sf\pink{(+\:x\:-)\:=\:-}[/tex]

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[tex]\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{♡}}}}}[/tex]