if (64)^2 - (36)^2 = 10x, then x = ?  Select the correct option.
A) 280  B) 210  C) 330  D) 220  E) 200
a^2−b^2=(a−b)(a+b)   (64)^2 - (36)^2 = (64 - 36)(64 + 36) = 28 × 100   Given that (64)^2 - (36)^2 = 10x   =&gt; 28 × 100 = 10x   =&gt; x = 280   280nswer is 280
<result>A</result>
if (64)^2 - (36)^2 = 10x, then x = ?