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Which expression is equivalent to 2x+​7^​2

Which expression is equivalent to 2x+​7^​2-example-1

2 Answers

3 votes

Answer:4x^2+28x+49

Explanation:

(2x+7)^2

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

Open brackets

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

4x^2+28x+49

User Reder
by
5.5k points
2 votes

Answer:

the correct answer is


4 {x}^(2) + 28x + 49

User David Burford
by
4.6k points