Question

3х(х-4)-6(х^2+2х)=? решение​

Answer 1

3x × (x - 4) - 6 × (x² + 2x)

3 × (x × (x - 4) - 2 × (x² + 2x))

3 × (x² - 4x - 2x² - 4x)

3 × ( - x² - 8x)

3 × ( - x × (x + 8))

- 3x × (x + 8)