Question

Factorise
a. 4x²-12x+a
b. 121a²+22ab +b²
c. x²-3x+2
d.4z²+9zt+t²

plz answer no spams
right answer will be marked as brainliest answer ​

Answer 1

Answer:

b.

(11a+b)²..ans

121a²+ 11ab+11ab +b²

11a(11a+b)+ b(11a+b)

= (11a+b)²

c.

x²-2x -1x +2

x(x-2)-1(x-2)

(x-2)(x-1)