Factorise:

Question:

Factorise:

$x^{2}-21 x+90$

 

Solution:

$x^{2}-21 x+90$

$=x^{2}-15 x-6 x+90$

$=x(x-15)-6(x-15)$

$=(x-6)(x-15)$

 

Leave a comment

Close

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.

Download Now