Mathematics
Grade10
Easy

Question

Factorise x2 – 10xy – 11y2.
 

  1. (x + y) (x – 10y)
  2. (x + 10y) (x – y)
  3. (x + 11y) (x – y)
  4. (x – 11y) (x + y)

The correct answer is: (x – 11y) (x + y)


    Factors of -11 are -11 and 1.
    And (-11) + 1 = (-10)
    (x – 11y) (x + y)
    = x2 + xy – 11xy – 11y2 = x2 – 10xy – 11y2

    Related Questions to study

    Grade10
    Mathematics

    Factorise x2 – 16xy + 28y2.

    Factorise x2 – 16xy + 28y2.

    MathematicsGrade10
    Grade10
    Mathematics

    What is the factored form of 4x3 – 24x2 – 28x?

    What is the factored form of 4x3 – 24x2 – 28x?

    MathematicsGrade10
    Grade10
    Mathematics

    Factorise x2 – 13x + 12.

    Factorise x2 – 13x + 12.

    MathematicsGrade10
    parallel
    Grade10
    Mathematics

    Factorise x2 – 2x – 8.

    Factorise x2 – 2x – 8.

    MathematicsGrade10
    Grade10
    Mathematics

    Factorise x2 + 3x - 10.

    Factorise x2 + 3x - 10.

    MathematicsGrade10
    Grade10
    Mathematics

    Factorise x2 – 11x + 24.

    Factorise x2 – 11x + 24.

    MathematicsGrade10
    parallel
    Grade10
    Mathematics

    In the previous question, if the length of each side of the shaded square is 12 cm, what is the total area of the four white triangles?

    In the previous question, if the length of each side of the shaded square is 12 cm, what is the total area of the four white triangles?

    MathematicsGrade10
    Grade10
    Mathematics

    Consider the figure shown below. What expression represents the total area of the four white triangles?

    Consider the figure shown below. What expression represents the total area of the four white triangles?

    MathematicsGrade10
    Grade10
    Mathematics

    Find the product.91 squared

    Find the product.91 squared

    MathematicsGrade10
    parallel
    Grade10
    Mathematics

    Find the product. 34*46

    Find the product. 34*46

    MathematicsGrade10
    Grade10
    Mathematics

    Find a value for m to make a true statement.
    m x squared – 36 equals left parenthesis 3 x plus 6 right parenthesis left parenthesis 3 x – 6 right parenthesis

    Find a value for m to make a true statement.
    m x squared – 36 equals left parenthesis 3 x plus 6 right parenthesis left parenthesis 3 x – 6 right parenthesis

    MathematicsGrade10
    Grade10
    Mathematics

    What is the product of left parenthesis 3 x squared – 4 y right parenthesis left parenthesis 3 x squared plus 4 y right parenthesis?

    What is the product of left parenthesis 3 x squared – 4 y right parenthesis left parenthesis 3 x squared plus 4 y right parenthesis?

    MathematicsGrade10
    parallel
    Grade10
    Mathematics

    Consider each expression. Select the expressions you can use to find the product 53 squared?

    Consider each expression. Select the expressions you can use to find the product 53 squared?

    MathematicsGrade10
    Grade10
    Mathematics

    Find the product. (x – 12)(x + 12)

    Find the product. (x – 12)(x + 12)

    MathematicsGrade10
    Grade10
    Mathematics

    Find the product.(x – 13)(x – 13)

    Find the product.(x – 13)(x – 13)

    MathematicsGrade10
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.