Answer:
e.g.
x² + 6x = 16
Complete the square.
x² + 6x + 9 = 16 + 9
Factor.
(x + 3)² = 16 + 9
Add.
(x + 3)² = 25
Take the square root of both sides.
x + 3 = 5
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Verified answer
Answer:
e.g.
x² + 6x = 16
Complete the square.
x² + 6x + 9 = 16 + 9
Factor.
(x + 3)² = 16 + 9
Add.
(x + 3)² = 25
Take the square root of both sides.
x + 3 = 5