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CBSE Class 8 Answered

5xsquare+13×+6
Asked by 8340190921 | 22 Sep, 2018, 07:48: PM
answered-by-expert Expert Answer

5x2 + 13x  + 6 = 0

Here a = 5, b = 13 and c = 6

then b2 - 4ac = 132 - 4 × 5 × 6 = 49> 0

begin mathsize 16px style Use space the space Quadratic space Formula space to space find space the space value space of space straight x.
straight x space equals space fraction numerator negative straight b space plus-or-minus square root of straight b squared space minus space 4 ac end root over denominator 2 straight a end fraction end style

Therefore x = -2 or x = -3/5

Answered by Yasmeen Khan | 24 Sep, 2018, 12:34: PM
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