GarrettHill3267
GarrettHill3267 GarrettHill3267
  • 03-10-2019
  • Mathematics
contestada

20×^2-30x-40 solve for x

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 03-10-2019

Answer:

x = 12

Step-by-step explanation:

Solve for x:

360 - 30 x = 0

Subtract 360 from both sides:

(360 - 360) - 30 x = -360

360 - 360 = 0:

-30 x = -360

Divide both sides of -30 x = -360 by -30:

(-30 x)/(-30) = (-360)/(-30)

(-30)/(-30) = 1:

x = (-360)/(-30)

The gcd of 360 and -30 is 30, so (-360)/(-30) = (-(30×12))/(30 (-1)) = 30/30×(-12)/(-1) = (-12)/(-1):

x = (-12)/(-1)

(-12)/(-1) = (-1)/(-1)×12 = 12:

Answer:  x = 12

Answer Link

Otras preguntas

plz help I will mark you brainlist plz help ​
El fin de semana pasado Tomás tuvo un accidente y ______________.
what is the answer ?​
Choose the correct vocabulary word that completes each sentence. -1. The students experienced much_____when they found out their midterm exams were canc
Which is the more important reason for being engaged: to gain power or improve the quality of life? Why?
Find the value of x in each case: b)I will give 20 Brainly points if answered within 30 minutes!!!!!!
Read the excerpt from an 1852 speech by Italian statesman Giuseppe Mazzini on Lombardy, a region of Italy that was ruled by Austria at the time. [Lombardy] stru
What is 31 1/2 divided by 3 1/2
twelve thousand four hundred three in standard form
If you take 15 seconds to walk 25 meters, what is your speed?