There is a formula for "the difference of squares." In this case, the answer is
(6x + 11y)(6x - 11y)
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121y2 - 4 = (11y - 2)(11y + 2)
If you are factoring 72:72=36x2=6x6x2=2x3x2x3x2so, it would be 2x2x2x3x3if you are looking for factors of 72:1,2,3,4,6,8,9,12,18,24,36,72The positive whole-number factors of 72 are:1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.
66x^3 - 36x^2 = 6x^2(11x - 6) 55x - 30 = 5(11x - 6) 66x^3 - 36x^2 + 55x - 30 = (6x^2 + 5)(11x - 6)
Factors of 1451529145Prime factors of 145529
Prime factors are factors that are also prime numbers.