Question

Multiply.

(x−5)(3x+6)

Express the answer in standard form.

Answer 1

`3x^(2) -9x-30`

Explanation:

(x - 5)(3x + 6)

`3x^(2) +6x-15x-30\\3x^(2) -9x-30`

Answer 2

3x² - 9x - 30

General Formulas and Concepts:

Algebra I

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

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