Respuesta :

The answer is 23.

Given : 3x^2-4 for x=-3
(-3) x (-3) = 9
9 x 3 = 27
27 - 4 = 23
gmany

[tex]3x^2-4\ for\ x=-3.\\\\\text{Put the value of x to the expression}\\\\3(-3)^2-4=3(9)-4=27-4=23\\\\Answer:\ \boxed{23}[/tex]

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