Answer:
Step-by-step explanation:
a² - b² = (a + b)(a - b)
48² + x² = 50²
x² = 50² - 48²
= (50 +48)(50 -48)
= 98 * 2
x² = 196
x = √196
[tex]x = \sqrt{2*2*7*7}\\\\x = 2*7\\\\x = 14[/tex]
