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38 with 13 remaining 621 - 13 = 608 = 16 x 38
To solve, 38 x x% = 9 x = 9/38 x 100 x = 24 9 is 24% of 38
x2 + 13x + 4 = (x + 6½ + √38¼)(x + 6½ - √38¼). To find this, we need to find p and q, where p + q = 13, pq = 4. 4 = 42¼ - 38¼ = (6½ + √38¼)(6½ - √38¼); thus, p = (6½ + √38¼), q = (6½ - √38¼).
38 x 18 = 684
it is, 43320.