Question

Factorise
3. 4x² +9y2 +162² + 12xy – 24yz - 167x​

Answer 1

Answer:

the given one can be expressed as

(-2x) *2 + (-3y) *2 + (4z) *2 + 2.(-2x). (-3y) + 2(-3y) .(4z) + 2(4z).(-2x)

it is in the form of

(-a) *2 +(-b) *2 + (c) *2 + 2ab +2bc +2ca = (-a-b+c)*2

so

(-2x-3y+4z)*2