22. Expend (2x+y+z)2
Answers
Answered by
3
Answer:
4x^2+y^2+z^2+4xy+2yz+4zx
Answered by
1
Answer:
(x+y+z)^2=x^2+y^2+z^2+2xy+2yz+2zx
Step-by-step explanation:
(2x+y+z)^2=(2x)^2+(y)^2+(z)^2+(2x*y)+2(y*z)+2(z*2x)
=4x^2+y^2+z^2+4xy+2yz+4zx
Similar questions