Multiply. write your answer as a fraction in simplest form. 10/7 x 3/5

What is the first step of an indirect proof of a number that is divisible by two

[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

Pls never taught i’m really confused and i rlly need