period11111 period11111

01-05-2020
Mathematics

contestada

Which expression is equivalent to 2x+7^2

Which expression is equivalent to 2x72 class=

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Akolism256 Akolism256

01-05-2020

Answer:

the correct answer is

[tex] 4 {x}^{2} + 28x + 49[/tex]

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Chelboy Chelboy

01-05-2020

Answer:4x^2+28x+49

Step-by-step explanation:

(2x+7)^2

(2x+7)(2x+7)

Open brackets

4x^2+14x+14x+49

4x^2+28x+49

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