Question

Plz factorise this maths step by step I will mark u as a brainliest and will give u a thanks

Answer 1

9x²-12ax+4a²-y²-z²-2yz
=[(3x)²-2(3x)(2a)+(2a)²]-[(y)²+(z)²+2(y)(z)]
=[(3x-2a)²]-[(y+z)²]
=(3x-2a+y+z) (3x-2a-y-z) (ANS)
If you like it please mark me brainliest.