Respuesta :

cursedtitans353

Answer:

(x-3)(5x+4)

x=3 x=-4/5

chetankachana

Answer:

(5x + 4)(x - 3)

Step-by-step explanation:

Hello!

Factor:

  • 5x² - 11x - 12

Think: What two numbers add up to -11 but multiply to (5)(-12)?

Answer: -15 and 4

Continue:

  • 5x² - 11x - 12
  • 5x² - 15x + 4x - 12       Expand with the values we found
  • 5x(x - 3) + 4(x - 3)        Factor by grouping
  • (5x + 4)(x - 3)

The factored expression is (5x + 4)(x - 3)