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What is the product of -a + 3)(a + 4)?A. a 2-a + 12 B. a 2 - a - 12 C. -a 2 - a - 12 D. -a 2 - a + 12
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What is the product of -a + 3)(a + 4)?A. a 2-a + 12 B. a 2 - a - 12 C. -a 2 - a - 12 D. -a 2 - a + 12

User Drew Stephens
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The given expression is : (-a +3)(a + 4)


\begin{gathered} (-a+3)(a+4)=(-a)*(a+4)+3(a+4)_{}_{} \\ (-a+3)(a+4)=(-a)*(a)+4*(-a)+3*(a)+3*4 \\ (-a+3)(a+4)=-a^2-4a+3a+12 \\ (-a+3)(a+4)=-a^2-a+12 \end{gathered}

Answer : D) - a² - a + 12

User Namrata
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