Question

(b) Substract them:-
(i) 3x2+4y from 12x2-4xyz
(ii) 6x3-7x2 from 6x2-8x3
(c) Simplicity:- (-x/5+2y) (-2/5x2 y2)

(d) Factorise: 25x2-y2
(e) Factorise: x²+20x+100​

Answer 1

Answer:

Step-by-step explanation:

b (1) 9x2+4y-4xyz

  (ii) -14x3-x2

c -xy2/5+2y3-4y/5x2+2/25x

d (5x+y) (5x-y)

e $(x+10)^{2}$