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

I can buy 4 basketballs for $44. At that same rate, how much would 8 basketballs cost
How to evaluate rational expressions
1. contains the blueprint for the structure and function of your cells; directs how you grow and develop____ 2. a specialized compartment of a cell that holds
What is a element in the Chalogen
Spanish 1A- Unit 3 – Lesson 4 - Portfolio
Describe how you would write 5.04 times 10^6 in standard form
Find 60% of 180. An explanation would be wonderful!​
What are the four elements of the travel narrative
hypertonic, hypotonic, isotonic?? “the concentration of the solute in the solution is lower than the concentration inside the cell“
Mary runs 5 miles a day. two-thirds of this distance is through the woods. how many miles was Mary in the woods on her run?