Question

Simplify (x+y+z)*(x+y+z)
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Answer 1

Answer:

$(x + y + z) \times (x + y + z) \\ \\ = {x}^{2} + {y}^{2} + {z}^{2}$

hope it helps uH :)

Answer 2

Answer:

$x^{2} +y^{2}+z^{2}+2xy+yz+2xz$

Step-by-step explanation:

(x+y+z)*(x+y+z)=$(x+y+z)^{2}$

By identity

= $x^{2} +y^{2}+z^{2}+2xy+yz+2xz$