Math, asked by divyacherry, 7 months ago


x^2+5x+30 find solution

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Answered by Anonymous
0

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Answered by Flaunt
33

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 =  >  {x}^{2}  + 5x + 30 = 0

Here ,we use quadratic formula to find out the roots:-

a=1;b=5 & c=30

 =  > x =  \frac{ - b± \sqrt{ {b}^{2}  - 4ac} }{2a}

 =  > x =  \frac{ - 5± \sqrt{ {(5)}^{2} - 4(1)(30) } }{2}

 =  > x =  \frac{ -5 ± \sqrt{25 - 120} }{2}

 =  >  x=\frac{ - 5± \sqrt{ - 95} }{2}

 =  > x= \frac{ -5 ± \sqrt{95i} }{2}

=>Here,iota (i) is used here in place of negative sign

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