Home
Class 7
MATHS
Add the following expressions: (i) 8a-...

Add the following expressions: (i) `8a-6a b+5b ,\ -6a-a b-8b\ a n d-4a+2a b+3b` (ii)`5x^3+7+6x-5x^2,\ 2x^2-8-9x ,\ 4x-2x^2+3x^3,\ 3x^3-9x-x^2\ a n d\ x-x^2-x^3-4`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • CONGRUENCE

    RD SHARMA ENGLISH|Exercise All Questions|51 Videos

Similar Questions

Explore conceptually related problems

Add ; 7x^2-4x+5,\ -3x^2+2x-1\ a n d\ 5x^2-x+9.

Add the following: i) 7a b c ,\ -5a b c ,\ 9a b c ,\ -8a b c ii)2x^2y ,\ -4x^2y ,\ 6x^2y ,\ -5x^2y

Factorize each of the following expressions: a^2x^2+(a x^2+1)x+a , 3a x-6a y-8b y+4b x

Write each of the following in exponential form: (i) a^2b^3x\ a^3b (ii) 3a^2b^3\ x\ \ 2a b^4 (iii) 4x^2y^3\ x\ \ 3x y^2\ x\ 5x^2y

Divide: x^3-6x^2+11 x-6\ b y\ \ x^2-4x+3

Divide: x^3-6x^2+11 x-6\ b y\ \ x^2-4x+3

Write down each of the following in exponential form: (i) 4a^3\ x\ \ 6a b^2\ x\ \ c^2 (ii) 5x y\ x\ 3x^2y\ x\ 7y^2 (iii) a^3x\ 3a b^2x\ 2a^2b^2

Add : 3x^(2)+5x-4, 2x+3-x^(2) and 8-3x+7x^(2) .

Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^2+3x^2y-4y^3 (ii) a^2-2a^3b+3a b^3+4a^2b^2+3b^4,-2a^2-5a b^3+7a^3b-6a^2b^2+b^4

Add: (i) x y^2+4x^2y-7x^2y-3x y^2+3\ a n d\ x^2y+x y^2 (ii) 5x^2+7y-6z^2,\ 4y+3x^2,9x^2+2z^2-9y\ a n d\ 2y-2x^2

RD SHARMA ENGLISH-ALGEBRAIC EXPRESSIONS-All Questions
  1. Add the following: i) 7a b c ,\ -5a b c ,\ 9a b c ,\ -8a b c ii)2x^2...

    Text Solution

    |

  2. Add the following expressions: (i) x^3-2x^2y+3x y^2-y^3,\ 2x^3-5x y^...

    Text Solution

    |

  3. Add the following expressions: (i) 8a-6a b+5b ,\ -6a-a b-8b\ a n d-4...

    Text Solution

    |

  4. Add the following: x-3y-2z (ii) 4a b-5b c+7c a

    Text Solution

    |

  5. Add the following: (i) x – 3y – 2z , 5x + 7y – 8z , 3x – 2y + 5z

    Text Solution

    |

  6. Add the following: 4ab – 5bc + 7ca, –3ab + 2bc – 3ca, 5ab – 3bc + ...

    Text Solution

    |

  7. Add 2x^2-3x+1 to the sum of 3x^2-2x and 3x+7.

    Text Solution

    |

  8. Add x^2+2x y+y^2 to the sum of x^2-3y^2 and 2x^2-y^2+9.

    Text Solution

    |

  9. Add a^3+b^3-3 to the sum of 2a^3-3b^3-3a b+7 and a^3+3a b-9.

    Text Solution

    |

  10. Subtract: (i)7a^2b\ from 3a^2b (ii) 4x y\ from -3x y

    Text Solution

    |

  11. Subtract: (i)-4x from 3y\ (ii) -2x\ from -5y

    Text Solution

    |

  12. Subtract: 6x^3-7x^2+5x-3 from 4-5x+6x^2-8x^3 x^3+2x^2y+6x y^2-y^3 fro...

    Text Solution

    |

  13. From (a) p^3-4+3p^2,\ take away 5p^2-3p^3+p-6 (b)7+x-x^2, take aw...

    Text Solution

    |

  14. From (a)1-5y^2, take away y^3+7y^2+y+1 (b)x^3-5x^2+3x+1, take away...

    Text Solution

    |

  15. From the sum of 3x^2-5x+2 and -5x^2-8x+9 subtract 4x^2-7x+9.

    Text Solution

    |

  16. Subtract the sum of 13 x-4y+7z and -6z+6x+3y from the sum of 6x-4y-4z ...

    Text Solution

    |

  17. From the sum of x^2+3y^2-6x y ,2x^2-y^2+8x y , y^2+8 and x^2-3x y\ su...

    Text Solution

    |

  18. What should be added to x y-3y z+4z x to get 4x y-3z x+4y z+7?

    Text Solution

    |

  19. What should be subtracted from x^2-x y+y^2-x+y+3 to obtain x^2+y^2...

    Text Solution

    |

  20. How much is x-2y+3z greater than 3x+5y-7?

    Text Solution

    |