Question:
Factorize each of the following expression:
27x2 − 12y2
Solution:
$27 x^{2}-12 y^{2}$
$=3\left(9 x^{2}-4 y^{2}\right)$
$=3\left[(3 x)^{2}-(2 y)^{2}\right]$
$=3(3 x-2 y)(3 x+2 y)$
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.