Question

(x+6)² - 3
when x = 3

Answer 1

Answer:78

Explanation:

you plug in the 3 so (3+6)^2 -3

then you solve parenthesis (9)^2 -3

then multiply 9x9 because of the power of two(^2)

then subtract 3 to the answer 81-3

and get 78