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9 votes
9 votes
(2x-1)(x+4) expand and simplify

User Sousa Gaspar
by
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2 Answers

11 votes
11 votes

Answer:

2x² + 7x - 4

Explanation:

(2x + 1)(x + 4)

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

2x(x + 4) - 1 (x + 4) ← distribute parenthesis

2x² + 8x - x - 4 ← collect like terms

= 2x² + 7x - 4

User Martin Mendez
by
3.0k points
11 votes
11 votes

Answer:

2x²+7x-4

Explanation:

2x²+8x-x-4

2x²+7x-4

User Justmyfreak
by
2.7k points