Simplify ( 5 + 2)
²
Answers
Answered by
0
Answer:
49 is the correct answer
Answered by
0
Answer:
use the identity
Step-by-step explanation:
(a+b)^2 = a^2+2ab+b^2
5^2+2*5*2+2^2
25+20+4
45+4
49
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