simplificar:
$2x(-2x - 3)$

- $-4x - 3$
- $x^2 - 3$
- $-4x^2 - 6x$
- $-4x - 6$

Question

simplificar:
$2x(-2x - 3)$

- $-4x - 3$
- $x^2 - 3$
- $-4x^2 - 6x$
- $-4x - 6$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Polynomial Multiplication" ], "new_concepts": [], "current_concepts": [ "Polynomial Multiplication", "Distributive Property" ] } ## Distribuir el término exterior $$ 2x \cdot (-2x) + 2x \cdot (-3) $$ ## Multiplicar los términos individuales $$ -4x^2 - 6x $$

-4x - 3

x^2 - 3

-4x^2 - 6x

-4x - 6

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Polynomial Multiplication" ] }

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QUESTION IMAGE

Question

Explanation:

Distribuir el término exterior

Multiplicar los términos individuales

Answer: