Question

X to the second power plus 24 to the second power equals 30 to the second power .

Answer 1

x = 18 or -18

Explanation:

x^2 + 24^2 = 30^2

simplify

x^2 + 576 = 900

subtract 576 from both sides

x^2 = 324

Take square root of 324

+/- √324

x = 18 x = -18

18 or -18 is the answer