Question

(x+y+z)2. expand the +x+y+z)​

Answer 1

Answer:

x^2+y^2+z^2

Step-by-step explanation:

x^2 + y^2 + z^2

this was the answer

Answer 2

$\LARGE{\bf{\underline{\red{Solution}}}}$

• (x + y + z)²

→ (x)² + (y)² + (z)² + 2 × x × y + 2 × y × z + 2 × x × z

→ x² + y² + z² + 2xy + 2yz + 2xz

• Identity applied
• (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ac