Question

Expand and simplify
(7 + V 6 )^2
Give your answer in the form b+ c V 6

Answer 1

b +cV 6 ÷12a

Explanation:

let meknow 8i I am wrong

Answer 2

55 + 14
`√(6)`

Explanation:

Given

(7 +
`√(6)` )² = (7 +
`√(6)` )(7 +
`√(6)` )

Each term in the second factor is multiplied by each term in the first factor, that is

7(7 +
`√(6)` ) +
`√(6)` (7 +
`√(6)` ) ← distribute both parenthesis

= 49 + 7
`√(6)` + 7
`√(6)` + 6 ← collect like terms

= 55 + 14
`√(6)`