Simply the radical square root 175

Can you decompose the numbers 20,740,6,000

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Let x = a + bi and y = c + di and z = f + gi. which statements are true?