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Notice that the left side of the equation is a perfect square (x - 7)2 = x2 -14x + 49. so (x - 7)2 = 4. Take square root of both sides: x - 7 = ± 2, x = 9, or x = 5.
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Solution set of x2 plus 49 equals 0?
x2 + 49 = 0 ∴ x2 = -49 ∴ x = 7i
What is 49 plus 7?
49 plus 7 equals 56.
What is 49 plus 10?
49 plus 10 equals 59.
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4849494949505050------394
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Solution set of x2 plus 49 equals 0?
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