Question

5x^2+7=2x^2-5 respuesta porfaaaa

Answer 1

5x² + 7 = 2x² - 5

5x² - 2x² = -7 - 5

3x² = -12

3x² + 12 = 0

3(x² + 4) = 0

x² + 4 = 0

x² = -4

√x² = √-4

√x² = √4(-1)

x = √4 √(-1)

x = ± 2i

CS = (-2i , 2i)

Eternamente axllxa