a 2 b 2 7 2 74 2ab, a b A 7 B 5 C 3 D 1 E 0 ...

B Add 2ab to each side a b 7 74 ...

a 2 + b 2 + 7 2 = 74 2ab, a + b = A.

Question:

a² + b² + 7² = 74 − 2ab, a + b =

A. 7
B. 5
C. 3
D. 1
E. 0

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McGraw Hills Conquering SAT Math

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Authors: Robert Postman, Ryan Postman

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a 2 + b 2 + 7 2 = 74 2ab, a + b = A.

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McGraw Hills Conquering SAT Math

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