Question

Pls factorise these questions ​

Answer 1

1. Answer:(a+1/a)^2
2. (x+7)(3x+11)
3. (2x+5-3y)(2x+5+3y)

Step-by-step explanation:

Answer 2

Answer:

a)a^2+1/a^2+2

a*a+1/a*a+1+1

b)3(x+2)^2+17(x+2)+10

(3x+6)^2+17x+2+10

9x^2+36+17x+2+10

3x*3x+6*6+17*x+1+1+5+5

c)4x^2-9y^2+20x+25

4x*4x-3y*3y+2x*10+5*5

Step-by-step explanation: