Question

Find the sum of the roots of polynomial 2xsquare -4(x+1)+3

Answer 1

Answer:

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Step-by-step explanation:

$<marquee > 2 (x)^2 - 4x - 4 + 3$

$2 {x}^{2} - 4x - 1 \\ = > x = - b+ - \sqrt{ b2 - 4ac} \div 2a \\ = > x = 4 + - \sqrt{16 + 8} \div 4 \\ = > x = 4 + - \sqrt{24} \div 4 \\ = > x = 4 + 2 \sqrt{6} \div 4 \\ = > x = \frac{2 + - \sqrt{6} }{4} \\ = > x = \frac{2 + \sqrt{6} }{2} \: \: \frac{2 - \sqrt{6} }{2}$

x=-b±√b^2-4ac/2a

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