Question

Find the product of the following
1. 2x and 5x
2. 5x^2 and x-1
3. (x+1) and (2x+5)
4. (x+2) and (2x-5)
5. (2x^2-1) and (x-3)​

Answer 1

1. 2x * 5x = 10x²
2. 5x² * x -1 = -5x³
3. (x+1)*(2x+5) = 2x² + 7x + 5
4. (x+2) * (2x-5) = 2x² - x - 10