Question

Expand(2x-y+z)²find the answer​

Answer 1

Answer:

4x²+y²+z²+4xy-4xy-2yz

Hope it helps ✨✨

Answer 2

Answer:

$\large\bf\underline\red{Question ➡} \\ \\\bf Expand \: \: \: \: (2x-y+z)² \\ \\ \large\bf\underline\red{solution➡} \\ \\ \sf \blue{ (using \: formula \: (2x-y+z)² = } \\ \sf \blue{ {a}^{2} + {b}^{2} + {c}^{2} + 2ab + 2bc + 2ca)} \\ \\ \bf \: \: \: \: (2x-y+z)² \\ \\ = \sf {(2x)}^{2} + {( - y)}^{2} + {(z)}^{2} + 2 \times 2x \times ( - y) \\ \sf \: + 2 \times( - y) \times z + 2 \times z \times 2x \\ \\ \sf \: = 4 {x}^{2} + {y}^{2} + {z}^{2} - 4xy - 2yz + 4xz$