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Answered

solving quadratic equations by completing the square

b2-2b-15=0​

Sagot :

Nadine1111go

Answer:

b=3

b=-5

Step-by-step explanation:

hope it helpsss

Yuweyaago

Answer:

b=5

b=-3

Step-by-step explanation:

USE THE QUADRATIC FORMULA

b2-2b-15=0

a=1

b=-2

c=-15

simplify:

b= 2(positive negative) 8 over 2

separate the equations:

b=5

b=-3

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