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Question 4 Simplify the expression: (7x + 2)² A 49x² + 4 B 49x² + 28x + 4 C 49x² - 4 D 25x² + 9
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2 votes
Question 4

Simplify the expression: (7x + 2)²
A 49x² + 4
B 49x² + 28x + 4
C 49x² - 4
D 25x² + 9

User Jakupov
by
4.7k points

1 Answer

2 votes

Answer:

B

Explanation:

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

7x×7x=49

7x×2+2×7x=28x

2x2=4

User Conrad Shultz
by
4.5k points
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