Question

Solve the equation x2 + 64 = 100

Group of answer choices

x = ±6

x = ±2

x = ±√164

x = 10 ±√8

Answer 1

x = ± 6

Explanation:

Given

x² + 64 = 100 ( subtract 64 from both sides )

x² = 36 ( take the square root of both sides )

x = ±
`√(36)` = ± 6