Home
Class 10
MATHS
Show that x=-3 is solution of x^2+6x+9=...

Show that `x=-3` is solution of `x^2+6x+9=0`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2019

    X BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION-C|5 Videos

Similar Questions

Explore conceptually related problems

Show that x=-2 is a solution of 3x^2+13 x+14=0

Show that x = 3 is the solution of 2x^(2)-5x-3=0

For the quadratic equation 3x^(2)+5x-2=0 , show that : (i) x=(1)/(3) is a solution. (ii) x=3 is not a solution.

The solution of 6+x-x^(2) gt0 , is

Show that the function f(x) = x^3– 3x^2 + 6x – 100 is increasing on R

What are the solutions to 3x^(2) + 12x + 6=0 ?

(i) Is x=5 a solution of the equation x^(2)-2x-15=0 ? (ii) Is x=-3 a solution of the equation 2x^(2)-7x+9=0 ?

Show that x+1 and 2x-3 are factors of 2x^3-9x^2+x+12

Show that the solution set of the following linear in equations is an unbounded set: x+"y"geq9,3x+ygeq12 ,xgeq0,ygeq0.

Without solving the quadratic equation 6x^(2)-x-2=0 , find whether x=(2)/(3) is a solution of this equation or not.

X BOARD PREVIOUS YEAR PAPER ENGLISH-X Boards-All Questions
  1. If (x+ p) is a factor of the polynomial 2x^2 +2px+5x 10. find p.

    Text Solution

    |

  2. The common difference of the AP 1/p,(1-p)/p,(1-2p)/p..........is

    Text Solution

    |

  3. Show that x=-3 is solution of x^2+6x+9=0

    Text Solution

    |

  4. First the term of an A.P is p and its common difference is q. Find its...

    Text Solution

    |

  5. If tan A=5/12, find the value of (sin A+cos A) sec A

    Text Solution

    |

  6. The diagonals of a rhombus measure 16 cm and 30 cm. Find its perime...

    Text Solution

    |

  7. In Figure 1, PQ || BC and AP : PB = 1 : 2.find the ratio of (arDeltaAP...

    Text Solution

    |

  8. The surface area of a sphere is 346.5 cm^2, calculate its radius and ...

    Text Solution

    |

  9. A die is thrown once. Find the probability of getting (i) a prime numb...

    Text Solution

    |

  10. Find the class marks of classes 10-25 and 35-55.

    Text Solution

    |

  11. Find all the zeros of the polynomial x^4+x^3-34x^2-4x+120, if two of i...

    Text Solution

    |

  12. PA and PB are two tangents drawn from an external point P to a circle ...

    Text Solution

    |

  13. In Fig. 2, a circle with centre O is inscribed in a quadrilateral ABCD...

    Text Solution

    |

  14. The angle of depression of a car parked on the road from the top of th...

    Text Solution

    |

  15. 4 A dice is thrown once, then the probability of getting an odd prime ...

    Text Solution

    |

  16. Find the probability of getting an even number when a die is thrown

    Text Solution

    |

  17. A box contains 90 discs, numbered from 1 to 90. If one disc is drawn a...

    Text Solution

    |

  18. In Fig. 3, the area of triangle ABC (in sq. units) is :

    Text Solution

    |

  19. If s e c4A=cos e c(A-20^@) , where 4A is an acute angle, find the ...

    Text Solution

    |

  20. Solve the following quadratic equation : 4sqrt3x^(2)+5x-2sqrt3=0

    Text Solution

    |