Answered

Fine the solutions of the following quadratic equations by completing the square
1. X2-4x=5
2. X2+10x+9=0
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Sagot :

FRANCISRAFAELFLORGO

Answer:

1.

x= -1

x=5

2.

x=-9

x=-1

Step-by-step explanation:

1.

x²-4x=5

x²-4x-5=0

(x-5)(x+1)=0

Solutions:

x=-1

x=5

2.

x²+10x+9=0

(x+1)(x+9)=0

Solutions:

x=-9

x=-1

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