Question

What is the factor of 3x2-9x-12?
pleaseeee help me guys !!

Answer 1

Answer:3x² - 9x - 12 =

3(x² - 3x - 4) =

3(x² + x - 4x - 4) =

3(x(x+1)-4(x+1)) =

3(x+1)(x-4)

Explanation: