Question

(−2 − √3)(−2 + √3) simplified​

Answer 1

1

Explanation:

(- 2 -
`√(3)` )(- 2 +
`√(3)` )

each term in the second factor is multiplied by each term in the first factor.

- 2(- 2 +
`√(3)` ) -
`√(3)` (- 2 +
`√(3)` ) ← distribute both parenthesis

= 4 - 2
`√(3)` + 2
`√(3)` - 3 ← collect like terms

= 1