Answer:
x = ±3√2
or in decimal:
x = ±4.24
Step-by-step explanation:
x² = 18
x = ±√18
= ±√2√9
= ±3√2
Answer:
x = ± 3[tex]\sqrt{2}[/tex]
Step-by-step explanation:
Given
x² = 18 ( take the square root of both sides )
x = ± [tex]\sqrt{18}[/tex] = ± [tex]\sqrt{9(2)}[/tex] = ± 3[tex]\sqrt{2}[/tex]
