Question

PLEASE answer
$x \times 2x = 648$

Answer 1

X × 2x = 648
2x^2 = 648
x^2 = 648/2
x^2 = 324
X = root of (324)
X = 18

here x^2 means X to the power of 2....that is x square

Answer 2

x×2x =648
2x ki power 2=648
x ki power 2=648/2
x ki power 2=324
x=√324
x=18