haleylineberry93 haleylineberry93

28-01-2022
Mathematics

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2(x+1)^2 +4(x+1)+7 as a simplified polynomial

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alice7722 alice7722

28-01-2022

Answer:

2x^2+8x+15

Step-by-step explanation:

[tex] {2(x + 1)}^{2} + 4(x + 1) + 7[/tex]

[tex]2({x}^{2} + 2x + 1) + 4x + 4 + 7[/tex]

[tex]2 {x}^{2} + 4x + 2 + 4x + 13[/tex]

[tex]2 {x}^{2} + 8x + 15[/tex]

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