GED Math Review: Factoring ax² + bx + c

Questions:

Factor each quadratic expression into a product of linear factors.

1. 2x² + 15x + 7
2. 7z² - 30z + 27
3. 8x² - 10x - 3
4. 30d² + 7d - 15
5. 10g² + 23g + 12

Answer:

1. (2x + 1)(x + 7) = 0
2. (z - 3)(7z - 9) = 0
3. (4x + 1)(2x - 3) = 0
4. (6d + 5)(5d - 3) = 0
5. (2g + 3)(5g + 4) = 0

Reference:

Complete Test Preparation for the GED Test 2014 by Steck-Vaughn