1) calcule os polinômios:
a) $(3x + 4) + (6x - 1) =$
b) $(2a + 5b) + (7a - 6b) =$

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Accepted Answer

{ "quality": "clear", "question_count": 2, "skills_matched": [ "step_cot", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Polynomial Addition" ], "new_concepts": [], "current_concepts": [ "Polynomial Addition", "Algebraic Expressions" ] } ## Somar os termos semelhantes do item A $$ \begin{aligned} (3x + 4) + (6x - 1) &= 3x + 6x + 4 - 1 \ &= 9x + 3 \end{aligned} $$ ## Somar os termos semelhantes do item B $$ \begin{aligned} (2a + 5b) + (7a - 6b) &= 2a + 7a + 5b - 6b \ &= 9a - b \end{aligned} $$ ## Question 1 $9x + 3$ ## Question 2 $9a - b$ { "subject": "Mathematics", "question_type": "Free Response", "knowledge_point": [ "Mathematics", "Algebra", "Polynomial Addition" ] }

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Question

Explanation:

Somar os termos semelhantes do item A

Somar os termos semelhantes do item B

Answer:

Question 1

Question 2