Exercise 1.2.2
A. MENTAL MATH. Solve the following quadratic equations by factoring.
1. x²-4 = 0
2. x² - 4x + 4 = 0
3. x² + 10x + 25 = 0
4. m²-m-20 = 0
5. m² +9m + 20 = 0
6. x²10x + 25 = 0
7. x²10x + 24 = 0
8. x² + 8x + 7 = 0
9. x² + 7x + 18 = 0
10.x²8x+ 20 = 0


bukas na po ang pasa nito kaya po pa help​