Question

9 squared + x squared = 15 squared

Answer 1

Answer:

x = 72   i hope this helps   :)

Step-by-step explanation:

given,   $9^{2}$ + $x^{2}$ = $15^{2}$

simplify   81 + 2x = 225

subtract 81 from both sides   2x = 144

divide both sides by 2   x = 72

Answer 2

Answer:

x=12

Step-by-step explanation:

9^2=81

15^2=225

225-81=144

√144=12

x=12

I hope this helps!