Respuesta :

Dabrainy1
X= 3.5 because 14 times 3.5= 49?


choco4
x^2 - 14x + 49 

2 numbers that multiplied equal 49
2 number that added equal -14

-7 times -7 = 49
-7 plus -7 = -14

(x-7) (x-7)

x=7

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