Multiplication is HARD for this Easy Variant Sudoku!

Play along with Multiple-Killer by ItzVara at sudokupad.app/...
English Rules Here:
RULES
Normal sudoku rules apply.
The sum of the numbers in the killer box is equal to 2,3 or 4 times the number in the upper left corner, and the killer boxes in each 3x3 boxes meet just one of them. (i.e., one is 2x, one is 3x, and one is 4x) .
The sum of numbers separated by X equals 10, and not all X's are given.

[@NK-bf9wo]

great one so challenging

[@ganimede17]

00:34:47