bruhbruhbruh25 bruhbruhbruh25

14-03-2021
Mathematics

contestada

Solve and show work.

1. x^2 + 3x - 4 = 0

2. 2x^2 - 4x - 3 = 0

3. x(x - 2) = 4

4. 9x^2 + 12x + 4 = 0

5. x^2 + 2x = 1

Respuesta :

asmaf2065 asmaf2065

14-03-2021

Answer:

1. x^2 + 3x - 4 =0

x^2 + 3x = 4

x + 3x = √4

4x = 2

x =2/4

x = 1/4

2. 2x^2 - 4x - 3 = 0

2x^2 - 4x = 3

2x^2 - x = 3/4

2x - x = √3/4

x = √3/4

3.x(x-2) = 4

x^2 - 2x = 4

x - 2x = √4

- x = 2

x = -2

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