EnmaA472267 EnmaA472267
  • 03-11-2022
  • Mathematics
contestada

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

Respuesta :

AndiH642757 AndiH642757
  • 03-11-2022

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

[tex]\begin{gathered} (-a+3)(a+4)=(-a)\times(a+4)+3(a+4)_{}_{} \\ (-a+3)(a+4)=(-a)\times(a)+4\times(-a)+3\times(a)+3\times4 \\ (-a+3)(a+4)=-a^2-4a+3a+12 \\ (-a+3)(a+4)=-a^2-a+12 \end{gathered}[/tex]

Answer : D) - a² - a + 12

Answer Link

Otras preguntas

please help me with german
Find the unknown angle
Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. How many pounds of vegetables were not on sale? 98 POINTS :)
anyone know this? thank you
The Congress shall have Power To lay and collect Taxes, Duties, Imposts and Excises, to pay the Debts and provide for the common Defence and general Welfare of
How did France social divisions on the late 1700s contribute to the French Revolution
You have been asked to lead a demonstration for the undergraduate microbiology lab course about the uses of negative staining when studying bacteria. A "negativ
If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?
How does Gregor feel about his fathers transformation?
What were the opposing viewpoints that Texans debated regarding the future of their nation?