Question

Factorise it : please
4x^2 + 9y^2 - 12 xy​

Answer 1

Step-by-step explanation:

${(2x)}^{2} + {(3y)}^{2} - 2(2x)(3y)$

$= ( {2x - 3y)}^{2}$

Answer 2

in this question we use,

a^2 + b^2 - 12xy = (2x + 3y) ^2