3 years ago

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

Mathematics

1 answer:

AysviL [449]3 years ago

7 0

Answer:

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

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