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Trial and Error Exercises

Example 1

Factor x2 + 7x – 8.

Example 2

Factor x2 + 9x + 20.

Example 3

Factor x2 – 5x – 6.

Example 4

Factor 3x2 – 3x – 36.

Example 5

Factor 4x3 + 44x2 + 120x.

Example 6

Factor x2 + 5x + 4.

Example 7

Factor 2x2 + 13x + 15.

Example 8

Factor 3x2 + 3x – 18.

Example 9

Factor -6x2 + 5x – 1.

Example 10

Factor 40x2 – 46x + 12.