Best Answer

Yes, it can be solved for x = ? because there is one equation and one variable.

x2 - 9x = -20

x2 - 9x + 20 = 0

(x-4)(x-5) = 0

The factoring takes some practice. Now we set each parenthesis equal to zero, and we get two possible values for x: x = 4 and x = 5.

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12y ago
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Q: Can you solve x2 minus 9x equals -20?
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