These pairs of numbers when multiplied equal 168: (1, 168) (2, 84) (3, 56) (4, 42) (6, 28) (7, 24) (8, 21) (12, 14)
3 squared is 3 to the 2nd power, or 3 multiplied by 33 squared=3x3=93 cubed is 3 to the 3rd power or 3 multiplied by 3 multiplied by 33 cubed=3x3x3=27
15x
3c
2x-3=10x+21 2x-3-2x=10x+21-2x -3=8x+21 -3-21=8x+21-21 -24=8x -3=x
3*7 = 21
The GCF of 21 and 90 is 3.
21 multiplied by 3 is 63.
1 x 21, 3 x 7, 7 x 3, 21 x 1
1 x 21, 3 x 7, 7 x 3, 21 x 1
1 x 21, 3 x 7
10
21
2/7 * 21/50 = 3/25
1 x 3 x 7
The prime factorization of 21 is 7 * 3 or 7 x 3 or 7 multiplied by 3. Hope this helps!
21 x 3