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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