Gema29
Gema29 Gema29
  • 04-08-2020
  • Mathematics
contestada

For what values of x is the value of the function f(x)=x² +3x+2 equal to zero?

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-08-2020

Answer:

x=-2       x=-1

Step-by-step explanation:

f(x)=x² +3x+2

Set the function equal to zero

0=x² +3x+2

Factor

What 2 numbers multiply to 2 and add to 3

2*1 = 2

2+1 = 3

0 = ( x+2) (x+1)

Using the zero product property

x+2 =0   x+1 =0

x=-2       x=-1

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skat84
skat84 skat84
  • 11-09-2020
The person on top of me got it right
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