Home
Class 7
MATHS
Simplify each of the following: 1. ...

Simplify each of the following:
1.` m-[m+{m+n-2m-(m-2n)}-n]`
2. `3x^2z-4y z+3x y-{x^2z-(x^2z-3y z)-4y z-7z}`

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

Simplify each of the following expressions: (i) (x+y+z)^2+(x+y/2+z/3)^2-(x/2+y/3+z/4)^2

Multiply each of the monomial : 3/4x^2y z^2,\ 0. 5 x y^2z^2,\ 1. 16 x^2y z^3,\ 2x y z

If x=1,\ y=-2\ a n d\ z=3, find the values of each of the following algebraic expressions: (i) x^3+y^3+z^3-3x y z (ii) 3x y^4-15 x^2y+4z

Multiply: x^2+4y^2+z^2+2x y+x z-2y z\ by x-2y-z

Multiply: x^2+4y^2+z^2+2x y+x z-2y z\ by x-2y-z

Factorize the following : (1) 9x^2y+3a x y (2) 16 m-4m^2 (3) -4a^2+4a b-4c a (4) x^2y z+x y^2z+x y z^2 (5) a x^2y+b x y^2+c x y z

Multiply each of the monomial : (-3x^2y),\ (4x y^2z),\ (-x y^2z^2)a n d\ (4/5z)

Add : 8x - 3y + 7z, -4x + 5y - 4z, -x - y - 2z

Write the following in the expanded form: (-3x+y+z)^2 (ii) (m+2n-5p)^2

Solve the following system of equations by matrix method. 3x-2y + 3z= 8 2x + y-z = 1 4x-3y + 2z = 4

RD SHARMA ENGLISH-ALGEBRAIC EXPRESSIONS-All Questions
  1. Simplify each of the following: -5(a+b)+2(2a-b)+4a-7 -3(a+b)+4(2...

    Text Solution

    |

  2. Simplify each of the following: 2x-{5y-(x-2y)} 2x-[3y-{2x-(y-x)}...

    Text Solution

    |

  3. Simplify each of the following: 1. m-[m+{m+n-2m-(m-2n)}-n] 2. 3...

    Text Solution

    |

  4. Simplify : 15x-[8x^2 + 3x^2 - {8x^2 - (4-2x-x^3)-5x^3}-2x]

    Text Solution

    |

  5. Simplify: 5+[x-{2y-(6x+y-4)+2x^2}-(x^2-2y)]

    Text Solution

    |

  6. Simplify and find the value of the following expression when a=3 and...

    Text Solution

    |

  7. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  8. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  9. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  10. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  11. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  12. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  13. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  14. Simplify each of the following algebraic expressions by removing gro...

    Text Solution

    |

  15. Add the following : 2x^2y,-4x^2y,6x^2y,-5x^2y

    Text Solution

    |

  16. Which of the following is not a monomial?

    Text Solution

    |

  17. The sum of the coefficients in the monomials 3a^2b and -2a b^2 is

    Text Solution

    |

  18. The coefficient of x^2 in -5/3\ x^2y is equal to :- (a)-5/3 (b) -5/...

    Text Solution

    |

  19. If a ,\ b\ a n d\ c\ a r e\ respectively the coefficients of x^2 in...

    Text Solution

    |

  20. The sum of the coefficients in the terms of 2x^2y-3x y^2+4x y is (...

    Text Solution

    |