Question

Can someone solve this plsss

Answer 1

a = - 2 ±
`√(10)`

Explanation:

Given

(a + 2)² = 2(3 + 2), that is

(a + 2)² = 2(5) = 10 ← take the square root of both sides

a + 2 = ±
`√(10)` ( subtract 2 from both sides )

a = - 2 ±
`√(10)`