Question

(2x -y +3z) (2x + y +3z)​

Answer 1

Step-by-step explanation:

(2x - y + 3z)(2x + y + 3z)

(2x + 3z - y)(2x + 3z + y)

${(2x + 3z)}^{2} - {y}^{2} \: (by \: using \: {a}^{2} - {b}^{2} formula$

$4 {x}^{2} + 12xz + 9 {z}^{2} - {y}^{2}$

$4 {x}^{2} + 9 {z}^{2} - {y}^{2} + 12xz$

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