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What is the product of (7x+3)^2
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4 votes
What is the product of (7x+3)^2

User Ze Grisi
by
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2 Answers

4 votes
The answer is 49x^2 +42x+9
User Divakar R
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6.0k points
6 votes

Answer:

49x² + 42x + 9

Explanation:

Given

(7x + 3)²

= (7x + 3)(7x + 3)

Each term in the second factor is multiplied by each term in the first factor, that is

7x(7x + 3) + 3(7x + 3) ← distribute both parenthesis

= 49x² + 21x + 21x + 9 ← collect like terms

= 49x² + 42x + 9

User Jianping
by
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