Home
Class 8
MATHS
Multiply: (7x y+5y) by 3x y...

Multiply: `(7x y+5y)` by `3x y`

Text Solution

Verified by Experts

`(7x y+5y)` by `3x y`
`=3xy(7xy+5y)`
`=21x^2y^2+15xy^2`
Promotional Banner

Topper's Solved these Questions

  • COMPOUND INTEREST

    RD SHARMA|Exercise All Questions|129 Videos

Similar Questions

Explore conceptually related problems

Multiply: 2x by (3x+5y)

Multiply 3x by (2x + 5y)

Multiply (7x-3y) by (4x-5y) by column method.

Multiply (3x + 5y) and (5x - 7y).

Multiply (3x + 5y) and (5x - 7y)

Multiply (2x+3y) and (4x-5y)

Multiply (3x+2y) and (5x+3y)

Multiply: (7x+y)by(x+5y)( (ii) (a-1)by(0.1a^(2)+3)

Multiply (0.5x-y)by(0.5x+y)

Multiply the (2x - 2y - 4), ( x + y + 5)

RD SHARMA-ALGEBRAIC EXPRESSIONS AND IDENTITIES-All Questions
  1. Evaluate each of the that when x=2, y=-1. (3/5x^2y)xx(-(15)/4x y^2)xx...

    Text Solution

    |

  2. Multiply: 2x by (3x+5y)

    Text Solution

    |

  3. Multiply: (7x y+5y) by 3x y

    Text Solution

    |

  4. Multiply: -(3a b^2)/5\ by ((2a)/3-b)

    Text Solution

    |

  5. Find the product of 7/2s^2t\ a n d\ s+tdot Verify the result for s=1/2...

    Text Solution

    |

  6. Multiply: (3x-4/5y^2x)b y1/2x ydot

    Text Solution

    |

  7. Find the following products: (i) 100 x(0. 01 x^4-0. 01 x^2) (ii) 121....

    Text Solution

    |

  8. Determine each of the products and find the value of each for x=2,\...

    Text Solution

    |

  9. Determine each of the products and find the value of each for x=2,\ ...

    Text Solution

    |

  10. Determine each of the products and find the value of each for x=2,\ ...

    Text Solution

    |

  11. Simplify the expressions and evaluate them as directed: (i)

    Text Solution

    |

  12. Add : (i) 5m\ (3-m)a n d\ 6m^2-13 m (ii)4y\ (3y^2+5y-7)a n d\ 2\ (y^...

    Text Solution

    |

  13. Subtract 3p q\ (p-q)from2p q\ (p+q)

    Text Solution

    |

  14. Add: (i)p\ (p-q), q(q-r)and\ r\ (r-p) (ii)2x\ (z-x-y)\ and\ 2y\ (z-y...

    Text Solution

    |

  15. Subtract: 3l\ (l-4m+5n) from 4l(10 n-3m+2l)

    Text Solution

    |

  16. Subtract: 3a\ (a+b+c)-2b(a-b+c)from 4c(-a+b+c)

    Text Solution

    |

  17. Simplify each of the expressions: 15 a^2-6a(a-2)+a(3+7a)

    Text Solution

    |

  18. Simplify each of the following expressions: x^2(1-3y^2)+x(x y^2-2x)-3y...

    Text Solution

    |

  19. Simplify each of the following expressions: 4s t\ (s-t)-6s^2(t-t^2)-3t...

    Text Solution

    |

  20. Find the following products: (i)2a^3(3a+5b) (ii) -11 a(3a+2b) (iii...

    Text Solution

    |