Question

factorise 4x²+9y²+25z²-12xy-30yz+20zx

Answer 1

this is very nice question.
Given,

4x^2+9y^2+25z^2-12xy-30yz+20zx

Answer:-
=======
= (2x)^2+
(-3y)^2+(5z)^2+2.2x.(-3y)+2.(-3y).(5z)+2.(5z).(2x)

= (2x-3y+5z)^2

=(2x-3y+5z) (2x-3y+5z)

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Answer 2

Answer:

don't know bro Hm Hm Hm Hm....