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

intestinal epithilial functions and purpose?
How are the Endoplasmic Reticulum, the Golgi body, and ribosomes all relate to each other?
Which word best describes the skipper in "The Wreck of the Hesperus"? A. loving B. arrogant C. cowardly D. intelligent
A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?
which contribution to american agriculture was introduced from Europe A.cattle Tomatoes C. corn D. pineapples
Which of the following is the best example of a vigorous activity, as opposed to a moderate activity? a. canoeing b. swimming laps c. walking a dog d. garde
pwease help me !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A personal narrative brainstorming
Geoff charges $27 for 3 hours of swimming lessons. Anne charges $31 for 4 hours. How much more does Geoff charge per hour than Anne?Write the rate as a fraction
Is the group of words a simple sentence, a compound sentence, or a run-on sentence? Pearls are usually white they can be gray, pink, or yellow. A. simple