Question

factorise 4x square+y square +z square -4xy-2yz+4xz​

Answer 1

Answer:

4x²+y²+z²-4xy-2yz+4xz

(2x)²+(-y)²+(z)²+2(2x)(-y)+2(-y)(z)+2(2x)(z)

Therefore , by using

(a+b+c)²=a²+b²+c²+2ab+2bc+2ca

[2x+(-y)+z]²

(2x-y+z)²