Question

Factorize:
1. 9x²+16y²-24xy​

Answer 1

Answer:

9x² − 24xy + 16y²

=(3x)² − 24xy + (4y)²

=(3x)² − 2(3x)(4y) + (4y)²

Using (a−b)² = a² − 2ab + b², we get

=(3x−4y)²