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2m² + 2m – 12 = 0
m=?
a. 2,-12
b. 3,1
c. 1.-3
d. -2.2​


Sagot :

Step-by-step explanation:

F1/A1 = F2/A2

10/2=F2/4

5=F2/4

F2=5x4

F2=20