Question

Please help!!!
I need help finding the answer.

Answer 1

2nd option

Explanation:

The shaded area = outside area - inner area

= x² - (x - 6)² ← expand using FOIL

= x² - (x² - 12x + 36) ← distribute parenthesis by - 1

= x² - x² + 12x - 36 ← collect like terms

= 12x - 36