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SAI International School
                                                         Class VIII


          Mathematics
          Chapter 9 – algebraic expressions and identities
          Home assignment
          Subtopic: Multiplication of algebraic expressions





          Home assignment


          Long Answer Type Questions:

          1. Simplify the following expressions:

          (i) (x + y + z)(x + y – z)
                                                   2
              2
          (ii) x (x – 3y ) – xy(y – 2xy) – x(y – 5x )
                               2
                                             3
                      2
                2
          (iii) 2x (x + 2) – 3x (x – 3) – 5x(x + 5)
                                2
          2) Simplify 7x (3x – 9) + 3 and find its values for x = 4 and x = 6
                        2


          3) Find the product:

          (i)


          (ii)



          (iii)
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