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1. y2 - 4y - 45 = 0
2. 6x (x-3) = 0
3. m2 = 5m
4. 8x2 + 10x = 0
5. n2 - 9n + 20 = 0​


Sagot :

Answer:

1. (y + 5) (y - 9) = 0

2. 6x² - 18x = 0

3. m² - 5m = 0

4. 8x² + 10 x = 0

5. (n - 4) (n - 5 ) = 0