Answer:
x=12
Step-by-step explanation:
9^2=81
15^2=225
225-81=144
√144=12
x=12
I hope this helps!
Answer:
x = 72 i hope this helps :)
Step-by-step explanation:
given, [tex]9^{2}[/tex] + [tex]x^{2}[/tex] = [tex]15^{2}[/tex]
simplify 81 + 2x = 225
subtract 81 from both sides 2x = 144
divide both sides by 2 x = 72
