42 = 2 * 3 * 7 12 = 2 * 2 * 3 Hence gcf (42, 12) = 2 * 3 = 6 Notice that a is also a factor of 12a and 42a. Hence gcf (42a, 12a) = 2 * 3 * a = 6a
The prime factorization of 12a is: 2 • 2 • 3 • a So 12a is technically a prime factor of itself.
The decimal equivalent is 298.
30AA is bigger, the larger then number the bigger the bra
2 x 2 x 3 x a
30
The GCF is 3a
42 = 2 * 3 * 7 12 = 2 * 2 * 3 Hence gcf (42, 12) = 2 * 3 = 6 Notice that a is also a factor of 12a and 42a. Hence gcf (42a, 12a) = 2 * 3 * a = 6a
12 and any multiple of 12 Any multiples of 12 that differ by 12.
(12a+9b)(12a-9b)
a2 + 12a + 27 = (a + 3)(a + 9)
factors of 12a are 3, 2, and a
The prime factorization of 12a is: 2 • 2 • 3 • a So 12a is technically a prime factor of itself.
3(4a+b+2c)
12a-a = 11a
Since the number is low, you could make a list of all numbers with a factor of 12 and pair up the ones that do not have higher common factors:1224364860728412 and 7224 and 6036 and 48The actual formula isa + b = 7 where a and b are integers -- 12 (a +b) = 84b = [ (84 - 12a) ] / 12
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