Question

Multiply. (x−5)(3x+6) Express the answer in standard form.

Answer 1

Answer:

$3x^{2} -9x-30$

Step-by-step explanation:

(x - 5)(3x + 6)

$3x^{2} +6x-15x-30\\3x^{2} -9x-30$

Answer 2

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