chandlercan22 chandlercan22
  • 07-10-2016
  • Mathematics
contestada

which is a solution to the equation?
(x-2)(x=5)=18

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 07-10-2016
expand
x^2+3x-10=18
minus 18 both sides
x^2+3x-28=0
find what 2 numbers mutiply to -28 and add to 3
7 and -3 
(x+7)(x-3)=0
set each to zero

x+7=0
x=-7
x-3=0
x=3

x=-7 and 3
Answer Link
Аноним Аноним
  • 07-10-2016
I hope this helps you
Ver imagen Аноним
Answer Link

Otras preguntas

What is the volume of a sphere when r = 9 ft
At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction betwe
At sea level, water boils at 100 degrees celcius and methane  boiled at -161 degrees celcius. Which of these substances has a stronger force of attraction betwe
what are two possible uses of genetic engineering
What is the volume of a sphere when r = 9 ft
what are two possible uses of genetic engineering
what is a quote from the odyssey that shows odysseus' religion
What is the volume of a sphere when r = 9 ft
What is the volume of a sphere when r = 9 ft
what are two possible uses of genetic engineering