naomi3137 naomi3137

19-04-2020
Mathematics

contestada

- x2 + 3x – 7 when x = 4

Respuesta :

businesslulu67 businesslulu67

19-04-2020

Answer:

-3

Step-by-step explanation:

-4•2+3•4-7

-8+3•4-7

-8+12-7

4-7

-3

Answer Link

wegnerkolmp2741o wegnerkolmp2741o

19-04-2020

Answer:

-11

Step-by-step explanation:

-x^2 +3x-7

Let x=4

-(4)^2 +3(4) -7

Exponents first

-16 +12-7

-4-7

-11

Answer Link

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