Explicación paso a paso:
[tex]2 {x}^{2} - 5x - 3 = 0 \\ \frac{- b \frac{ + }{} \sqrt{ {b}^{2} - 4 \times a \times c }}{2 \times a} = \\ \frac{ - ( - 5) \frac{ + }{ - } \sqrt{ { - 5}^{2} - 4 \times 2 \times - 3} }{2 \times 2} = \\ \frac{5 \frac{ + }{ - } \sqrt{25 + 24} }{4} = \\ \frac{5 \frac{ + }{ - }7 }{4} = \\ \frac{12}{4} = 3 \\ \\ \frac{ - 2}{4} = \frac{ - 1}{2} [/tex]
raices
x1= 3
x2= -1/2
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Explicación paso a paso:
[tex]2 {x}^{2} - 5x - 3 = 0 \\ \frac{- b \frac{ + }{} \sqrt{ {b}^{2} - 4 \times a \times c }}{2 \times a} = \\ \frac{ - ( - 5) \frac{ + }{ - } \sqrt{ { - 5}^{2} - 4 \times 2 \times - 3} }{2 \times 2} = \\ \frac{5 \frac{ + }{ - } \sqrt{25 + 24} }{4} = \\ \frac{5 \frac{ + }{ - }7 }{4} = \\ \frac{12}{4} = 3 \\ \\ \frac{ - 2}{4} = \frac{ - 1}{2} [/tex]
raices
x1= 3
x2= -1/2