Complete the Trinomial Product with Mental Multiplication $$( x - 1 ) ( x + 6 ) = x ^ { 2 } + \ldots x - 6$$

question 85

Multiple Choice

Complete the trinomial product with mental multiplication. $$( x - 1 ) ( x + 6 ) = x ^ { 2 } + \ldots x - 6$$

• A) 4
• B) 5
• C) 7
• D) 2
• E) 9

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