azerah9721
azerah9721 azerah9721
  • 18-01-2019
  • Mathematics
contestada

m^2+m-12=0, please help me.

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 18-01-2019

Answer:

m=3   m=-4

Step-by-step explanation:

m^2+m-12=0

Factor

What two numbers multiply to -12  and add to 1

-3*4 = -12

-3+4 = 1

(m-3)  (m+4)=0

Using the zero product property

m-3=0  m+4=0

m=3   m=-4


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