Question

Find the product:
(i) (5 – 2x) (3 + x)
(ii) (x + 7y) (7x – y)
(iii) (a2 + b) (a + b2)
(iv) (p2 – q2)(2p + q)​

Answer 1

Answer:

${1}. \: 15 + 5x - 6x - 2 {x}^{2} \\ - 2 {x}^{2} - x + 15 \\ 2 {x}^{2} + x - 15$

Answer 2

Step-by-step explanation:

(ii)7x²–xy+49xy–7y²

=7x²+48xy–7y²