Question

Solve for x. 3x2 - 10 = -5

Answer 1

x =
`√(15)` / 3

Explanation:

3x² - 10 = -5

3x² = 5

x² = 5/3

x =
`√(5)` /
`√(3)`

Multiply both numerator and denominator by
`√(3)`

x =
`√(15)` / 3