Home
Class 8
MATHS
Show that: (3x + 7)^2 – 84x = (3x – 7)^...

Show that: `(3x + 7)^2 – 84x = (3x – 7)^2`

Promotional Banner

Topper's Solved these Questions

  • ALGEBRAIC EXPRESSIONS AND IDENTITIES

    MBD|Exercise EXERCISE|96 Videos

  • COMPARING QUANTITIES

    MBD|Exercise EXERCISE|25 Videos

Similar Questions

Explore conceptually related problems

Show that (x-3) is a factor of: 2x^3+7x^2-24x-45 .

solve (3x + 5)/2 = 7

The factors of 2x^2 - 7x + 3 are :

Solve , (3x + 2)/(4x + 11) = 4/7

Use factor theorem to verify in the following that q(x) is a factor of p(x)=3x^6-7x^5+7x^4-3x^3+2x^2-2,q(x)=x-1 .

Find x , if (3x)/2 + (2x)/3 - (5x)/4 = 7

Find x , if (13^3 + 7^3)/(13^2 + 7^2 - x) = 20

Show that the tangents to the curve y= 7x^3 + 11 at the points x = 2 and x =-2 are parallel.

MBD-ALGEBRAIC EXPRESSIONS AND IDENTITIES-EXERCISE
  1. Show that: (3x + 7)^2 – 84x = (3x – 7)^2

    Text Solution

    |

  2. What are the co-efficients of x andc y in the following expression ? ...

    Text Solution

    |

  3. What are the co-efficients of x andc y in the following expression ? 8...

    Text Solution

    |

  4. What are the co-efficients of x and y in the following expression ? yz...

    Text Solution

    |

  5. What are the co-efficients of x andc y in the following expression ? m...

    Text Solution

    |

  6. Classify the following expression as a monomial ,a binomial or a trino...

    Text Solution

    |

  7. Classify the following expression as a monomial ,a binomial or a trino...

    Text Solution

    |

  8. Classify the following expression as a monomial ,a binomial or a trino...

    Text Solution

    |

  9. Classify the following expression as a monomial ,a binomial or a trino...

    Text Solution

    |

  10. Classify the following expression as a monomial ,a binomial or a trino...

    Text Solution

    |

  11. Classify the following expression as a monomial ,a binomial or a trino...

    Text Solution

    |

  12. Add: 7xy-2y and 3x-4y.

    Text Solution

    |

  13. Add: 3x-5y+7,2x-y+5 and 3x + 2y -8.

    Text Solution

    |

  14. Add: 3x + 5y -4,-9x + 4y and 2x-5y+7.

    Text Solution

    |

  15. Add: 5px+7q-r,2px+3r and =px+2q+r.

    Text Solution

    |

  16. Subtract: 5x-3y-4 from 8x-7y+5.

    Text Solution

    |

  17. subtract 24ab – 10b – 18a from 30ab + 12b + 14a.

    Text Solution

    |

  18. Find the product of the following pairs of monomials. 4,3p

    Text Solution

    |

  19. Find the product of the following pairs of monomials. 5x,-3y

    Text Solution

    |

  20. Find the product of the following pairs of monomials. 5x,4x^2

    Text Solution

    |

  21. Find the product of the following pairs of monomials. 5x,-4xyz

    Text Solution

    |