samuel134
samuel134
14-06-2017
Mathematics
contestada
Solve x2 − 10x = −13
Respuesta :
ghanami
ghanami
14-06-2017
hello :
x²-10x+13 = 0
(x²-2(5)(x) +5²)-5²+13 =0
(x-5)² -12 =0
(x-5)² =12
x-5 = √12 or x-5 = -√12
x=5+√12 or x=5-√12
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