saracvr
saracvr
08-02-2017
Mathematics
contestada
How to find the roots of 7x^2-10x+3=0
Respuesta :
wolf1728
wolf1728
08-02-2017
7x^2 -10x +3 = 0
Use the quadratic formula
a = 7 b = -10 c=3
x= [--10 +-sq rt(100 - 4*7*3)] / 2*7
x= [--10 +-sq rt(100 - 84)] / 14
x= [10 +-4] / 14
x1 = 14/14 = 1
x2 = ([6] / 14) = 3/7
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