Question

Factorisation of (3a-7b-2c)​

Answer 1

Answer:

(3a-7b-2c)^2

[3a+(-7b)+(-2c)]^2

(3a)^2+(-7b)^2+(-2c)^2+2(3a)(-7b)+2(-7b)(-2c)+2(-2c)(3a)

9a^2+49b^2+4c^2-42ab+28bc-12ac

Step-by-step explanation:

Answer 2

Answer:

this can't be factories