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# Quadratic Formula Exercises

### Example 1

For the following equation, solve using the quadratic formula or state that there are no real number solutions: 10x2 + 9x = 0.

### Example 2

For the following equation, solve using the quadratic formula or state that there are no real number solutions: 2x2 + 11x = 10.

### Example 3

For the following equation, solve using the quadratic formula or state that there are no real number solutions: 5x2 – 3x – 1 = 0.

### Example 4

For the following equation, solve using the quadratic formula or state that there are no real number solutions: x2 – 2x + 3 = 0.

### Example 5

For the following equation, solve using the quadratic formula or state that there are no real number solutions: x2 – 4x – 7 = 8.

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