2. If f (x) = x - 7 and g (x) = 2x + 5, then what is f (x) * g (x) ?

2x^2 - 9x - 35

2x^2 + 9x - 35

2x^2 - 2x - 35

3x^2 - 9x - 35

3x-2

Question

Mayra Cobb

Mathematics

12 March, 22:20

2. If f (x) = x - 7 and g (x) = 2x + 5, then what is f (x) * g (x) ?

2x^2 - 9x - 35

2x^2 + 9x - 35

2x^2 - 2x - 35

3x^2 - 9x - 35

3x-2

+1

Answers (1)

Know the Answer?

Jaylen Pearson · Answer 1

2x² - 9x - 35

Step-by-step explanation:

f (x) * g (x) = (x - 7) (2x + 5)

Each term in the second factor is multiplied by each term in the first factor, that is

x (2x + 5) - 7 (2x + 5) ← distribute both parenthesis

= 2x² + 5x - 14x - 35 ← collect like terms

= 2x² - 9x - 35

2. If f (x) = x - 7 and g (x) = 2x + 5, then what is f (x) * g (x) ?2x^2 - 9x - 352x^2 + 9x - 352x^2 - 2x - 353x^2 - 9x - 353x-2

2. If f (x) = x - 7 and g (x) = 2x + 5, then what is f (x) * g (x) ?

2x^2 - 9x - 35

2x^2 + 9x - 35

2x^2 - 2x - 35

3x^2 - 9x - 35

3x-2