Verified answer

Answer:

[tex]( {x}^{2} + 12 - 7y)(2x - y) \\ = 2 {x}^{3} + 24x - 14xy - y {x}^{2} - 12y + 7 {y}^{2} [/tex]

Step-by-step explanation:

hope it helps..........

Answer:

x = -2 and y = 2 So,

= (-2)² + 12 - 7 × 2

= 4 + 12 - 14

= 16 - 14

= 2

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