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Back to Pure 1: Algebra and Functions
2 Beginner
2 Intermediate
1 Advanced
Question 1 of 5
Score: 0/—
★☆☆ Beginner
Complete the square: x² + 8x + 7 = ?
A
(x+4)² − 9
B
(x+4)² + 7
C
(x+8)² − 57
D
(x+4)² − 16