Respuesta :
(x + 5)(x² - 3x)
Use FOIL (First, Outside, Inside, Last)
x(x²) = x³
x(-3x) = -3x²
5(x²) = 5x²
5(-3x) = -15x
Combine like terms:
x³ - 3x² + 5x² - 15x
x³ + 2x² - 15
x³ + 2x² - 15 is your answer
hope this helps
Use FOIL (First, Outside, Inside, Last)
x(x²) = x³
x(-3x) = -3x²
5(x²) = 5x²
5(-3x) = -15x
Combine like terms:
x³ - 3x² + 5x² - 15x
x³ + 2x² - 15
x³ + 2x² - 15 is your answer
hope this helps