Respuesta :

vanessaakaraiwe123

Answer:

[tex]3x^{2} -9x-30[/tex]

Step-by-step explanation:

(x - 5)(3x + 6)

[tex]3x^{2} +6x-15x-30\\3x^{2} -9x-30[/tex]

Space

Answer:

3x² - 9x - 30

General Formulas and Concepts:

Algebra I

  • Expand by FOIL (First Outside Inside Last)
  • Combining Like Terms

Step-by-step explanation:

Step 1: Define

(x - 5)(3x + 6)

Step 2: Expand

  1. Expand [FOIL]:                    3x² + 6x - 15x - 30
  2. Combine like terms:           3x² - 9x - 30

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