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solve the quadratic equation using appropriate method .​

Solve The Quadratic Equation Using Appropriate Method class=

Sagot :

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Answer:

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

x = 9

x = -9

2. (x+2)(x+3)

x = -2

x = -3

3. x=\frac{\sqrt{2}i}{2}+1 x=-\frac{\sqrt{2}i}{2}+1

Answer:

Step-by-step explanation:

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