select the correct answer.

simplify the expression $(2x - 9)(x + 6)$.

$2x^2 - 3x - 54$

$2x^2 + 21x - 54$

$2x^2 - 54$

$2x^2 + 3x - 54$

Question

select the correct answer.

simplify the expression $(2x - 9)(x + 6)$.

$2x^2 - 3x - 54$

$2x^2 + 21x - 54$

$2x^2 - 54$

$2x^2 + 3x - 54$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Multiplying Binomials", "Combining Like Terms" ], "new_concepts": [], "current_concepts": [ "Multiplying Binomials", "Combining Like Terms", "Polynomial Simplification" ] } ## Expand the binomial product $$ (2x - 9)(x + 6) = 2x(x) + 2x(6) - 9(x) - 9(6) $$ ## Perform individual multiplications $$ 2x^2 + 12x - 9x - 54 $$ ## Combine like terms $$ 2x^2 + 3x - 54 $$

(A) $2x^2 - 3x - 54$

(B) $2x^2 + 21x - 54$

(C) $2x^2 - 54$

(D) $2x^2 + 3x - 54$

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

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Expand the binomial product

Perform individual multiplications

Combine like terms

Answer: