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Solve this equation 3x^2+2√5x-5 by quadratic formula |
| Answer» 3x^2+2√5.x - 5 = 0Here a=3, b = 2√5 and c=-5x= {-b+or-√(b^2-4ac)}/2a={-2√5+or-√(20-4×3×(-5)}/6={-2√5 +or-√80}/6={-2√5 +or- 4√5}/6x=(-2√5+4√5)/6or (-2√5-4√5)/6x =2√5/6 or x= -6√5/6x=√5/3 or x = -√5 | |