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What is (2 +5)² - 4²

User Ghazanfar
by
7.5k points

2 Answers

2 votes

according to identity (a+b)² = a²+b²+2ab

therefore:

2²+5²+2×2×5 - 4²

= 4+25+20 - 16

=49 - 16

= 33

hope helps

User MikePatel
by
7.9k points
3 votes

Answer:

33

Explanation:

(2+5)^2 - 4^2

(7^2) - 4^2

49 - 16 = 33

User Infused
by
9.1k points

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