azerah9721 azerah9721

18-01-2019
Mathematics

contestada

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

Respuesta :

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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