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Best Answer

x2+2x-63 = 0

When factorised:

(x-7)(x+9) = 0

Therefore: x = 7 or x = -9

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14y ago
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Wiki User

12y ago

x2+2x-63 = 0

(x-7)(x+9) = 0

x = 7 or x = -9

Use the quadratic equation formula

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Q: Can you solve x2 plus 2x - 63 equals 0?
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