amira1196 amira1196

25-02-2019
Mathematics

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what is -4x^2+4x+7; x=-5

Respuesta :

25-02-2019

Substitute-5 for x.
-4*-5^2+4(-5)+7=
-4(25)-20+7=
-100-20+7=
-120+7=
-113

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lunarfox270p16yqz lunarfox270p16yqz

25-02-2019

-113 hope this helps

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