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4 votes
Multiple (3×-1) (-×+4)​

2 Answers

0 votes

12 I cant explain cuz it goes over and over Lol

User Sergii Gryshkevych
by
8.0k points
7 votes

Answer:


\large\boxed{-3x^2+13x-4}

Explanation:

Use FOIL:

(a + b)(c + d) = ac + ad + bc + bd


(3x-1)(-x+4)=(3x)(-x)+(3x)(4)+(-1)(-x)+(-1)(4)\\\\=-3x^2+12x+x-4\\\\\text{combine like terms}\\\\=-3x^2+(12x+x)-4=-3x^2+13x-4

User Dave Briand
by
7.4k points

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