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

Why are third parties important in a political system?
Help Pls. Due 10/4/18 Thank you❤️
“political parties are absolutely essential to democratic government.” Explain what this statement means.
what three cellular structures are found in plant cells but not animal cells?A. Mitochondria, ribosomes, and a cytoskeletonB.Cell wall, mitochondria, and a plas
Suppose a skydiver (mass = 75 kg) is falling toward the Earth. When the skydiver is 100 m above the Earth he is moving at 60 m/s. At this point calculate the
Complete the table for the given rule. Rule: y=x−4 x y 4 6 8
Which scientists experiments with dogs introduced classical conditioning
please help question is attached
To explore the or effect or effect of mythical lititure , a reader should identify key characters , settings and plots
Find the value of x and y so that both proportions will be correct: x:1 2 /3=y:3 1/3 and y:1.5=0.2:0.75