Respuesta :
Answer:
x = ± 2
Step-by-step explanation:
Given
3x² - 6 = 10 - x² ( add x² to both sides )
4x² - 6 = 10 ( add 6 to both sides )
4x² = 16 ( divide both sides by 4 )
x² = 4 ( take the square root of both sides )
x = ± [tex]\sqrt{4}[/tex] = ± 2
