Please help explain on how to do it as I am having trouble solving it.

Question

asked Mar 10, 2021 221k views

1 Answer

Toucouleur · Answer 1 · 2021-03-16T18:43:00+0000

Answer:

the value if x is 15

Explanation:

Use Pythagoras theorem

x² = (x - 3)² + 9²

x² = x² -3x -3x + 9 + 81

x² = x² -6x + 90

x² - x² + 6x = 90

6x = 90

divide through by 6

x = 90/6

x = 15