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Pahelp math po ito, thanks​

Pahelp Math Po Ito Thanks class=

Sagot :

1. b² - 4b - 21 = 0

2. m² - 2m - 5

a = 1

b = -2

c = -5

3. a² - 2a - 15 = 0

a = 1

b = -2

c = -15

4. 6x² - 12x + 6 = 0

a = 6

b = -12

c = 16

5. 2y² + 5y + 2 = 0

a = 2

b = 5

c = 2

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