DayDay131
DayDay131 DayDay131
  • 02-06-2018
  • Mathematics
contestada

The equation 2x2 + 5x - 12 = 0 is factored. Each factor is set equal to zero. What are these two equations?

Respuesta :

Yikgaestudios Yikgaestudios
  • 02-06-2018
(2x-3)·(x+4)
1. 2x-3=0    x=3/22. x+4=0x=-4

Answer Link
caylus
caylus caylus
  • 02-06-2018
Hi,
[tex]2x^2+5x-12=0\\ \Rightarrow\ 2x^2+8x-3x-12=0\\ \Rightarrow\ 2x(x+4)-3(x+4)=0\\ \Rightarrow\ (x+4)(2x-3)=0\\ \Rightarrow\ x+4=0\ or\ 2x-3=0\\ \Rightarrow\ x=-4 \ or\ x= \dfrac{3}{2} \\ Sol=\{-4, \dfrac{3}{2}\} [/tex]

Answer Link

Otras preguntas

Which of these was the main motivation for the United States' entry into World War I? to acquire overseas territories to maintain freedom of trade for the Unit
took a test of 25 questions if she missed 2 questions what is the percent she got correct
Define light year and explain how and why light years are used to measure distances in the universe
Water molecules are polar, with Select one: a. the oxygen side being slightly positive and the hydrogen side being slightly negative. b. the oxygen and hydrogen
The __________ nervous system controls body functions that do not require thought.
One example of a very complex land ecosystem full of thousands of kinds of living things
Is 7/8 closer to 0,1,2, or 3
can you convert 300 grams to ounces
In which list are the elements arranged in order of increasing atomic mass? A) CI ,K ,Ar B) Fe ,Co ,Ni C) Te ,I ,Xe D) NE ,F,Na
what does 9(3j-6) equal?