Question

tengo mucha tarea me ayudan con un poco plis

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Answer 1

x² = 5x

x² - 5x = 0

x(x - 5) = 0

x = 0       x - 5 = 0

              x = -5

CS  = (-5 ; 0)

4x² = -32x

4x² + 32x = 0

4x(x + 8) = 0

4x = 0       x + 8 = 0

x = 0/4      x = -8

x = 0

CS = ( -8 ; 0)

x² = -12x

x² + 12x = 0

x(x +12) = 0

x = 0       x + 12 = 0

              x = -12

CS = (0 ; -12)

3x² = 27x

3x² - 27x = 0

3x(x - 9) = 0

3x = 0           x - 9 = 0

x = 0/3          x = 9

x = 0

CS = (0 ; 9)

x² = 8x

x² - 8x = 0

x(x - 8) = 0

x = 0         x - 8 = 0

                 x = 8

CS = (0; 8)

x² = .7x

x² + 7x = 0

x(x - 7) = 0

x = 0        x - 7 = 0

                x = 7

CS = (0 ; 7)

Eternamente axllxa