Question

Show that
(1) (3x + 7)2 - 84x = (3x - 7)2
(ii) (9p - 59)2 + 180pq =(9p+59)
2
Na
n?
111
3
16 9
m² +
+ 2mn =
mn
4
9 16
(iv) (4pq + 3q)2-(4pq - 39)2 = 48pq?
(v) (a - b)(a + b) + (b-c)(b + c) + (c-a) (c + a) = 0​

Answer 1

Answer:

Solution:

6x+14-84x=6x-14

28=84x

or x= 28/84 =0.33