Answer:
36 + +
Step-by-step explanation:
(6 + )²
= (6 + )(6 + )
Each term in the second factor is multiplied by each term in the first factor, that is
6(6 + ) + (6 + ) ← distribute parenthesis
= 36 + + + ← collect like terms
= 36 + +
-5 + 12 is 7
-2 - 8 is -10
2.8
8.6 - 5.8
add me on social media dimples.hope