prove that □\sqrt{\Box}□ 3 is irrational number
345148
320050
351400
664847
2040498
3362890
2032494
1329694
simplify 4xy-2x+7y-xy+2y-x
4xy-2x+7y-xy+2y-x
2x + 3y - 1 = 0
3x - 2 y + 4=0
216211
138840
1776 in Roman numerals = MDCCLXXVI