-1
-21
21 multiplies to 21 to make it 441
-17
57
-4 and -17
-1
2+21=23 2*21=42 (* is another symbol for multiply)
There are 12 inches in a foot. 12x21=252 inches Tip: Google will multiply numbers with a * between them 12*21=
first solve multiply ie..42-21 then subtractso it will come 21 ans
Each of these factor pairs (multiply the numbers in parentheses) equals 441: (1, 441) (3, 147) (7, 63) (9, 49) (21, 21)
Any number can be multiplied by 21
How about: 3*7 = 21 or 1*21 = 21
-21
4600
21*5 is the answer
21 multiplies to 21 to make it 441