List of top Mathematics Questions on Multiplying a Monomial by a Polynomial asked in CBSE Class VIII

(a) Simplify 3x (4x – 5) + 3 and find its values for (i) x = 3 (ii) x =\(\frac{1}{2}\)
(b) Simplify a (a2+ a + 1) + 5 and find its value for (i) a = 0, (ii) a = 1 (iii) a = – 1.
(a) Add: p ( p – q), q ( q – r) and r ( r – p) 
(b) Add: 2x (z – x – y) and 2y (z – y – x) 
(c) Subtract: 3l (l – 4 m + 5 n) from 4l (10 n – 3 m + 2 l) 
(d) Subtract: 3a (a + b + c) – 2 b (a – b + c) from 4c (– a + b + c)
Find the product.
(i) a2 \(\times\) (2a22) \(\times\) (4a26)
(ii) (\(\frac{2}{3}\) xy) \(\times\)(\(\frac{-9}{10}\) x2y2)
(iii) (\(\frac{-10}{3}\) pq3) × (\(\frac{6}{5}\) p3q)
(iv) (x) \(\times\) (x2) \(\times\) (x3) \(\times\) (x4)
Complete the table.

 

 First expression

Second expression

Product

(i)

          a

    b + c + d

…

(ii)

x + y – 5

5xy

…

(iii)

p

6p 2 – 7p + 5

…

(iv)

4p 2q 2

p 2 – q 2

…

(v)

a + b + c

abc

…