aliciamccord aliciamccord
  • 23-08-2016
  • Mathematics
contestada

How do you solve x^2-4X-12=0

Respuesta :

AL2006
AL2006 AL2006
  • 23-08-2016
                                         x²  -  4x  - 12  =  0

Factor the left side:      (x + 2) · (x - 6)  =  0

The equation is true if either factor is zero.

If  (x + 2) = 0  then    x = -2 .

If  (x - 6) = 0  then     x = 6 .
Answer Link

Otras preguntas

Find the number of faces, edges, and vertices of this shape. Help ASAP, thanks!
What is the slope of a line parallel to a line with equation -4y + 7x = 20?
I WILL GIVE BRAINLIEST​
On a certain trip, a traveler is driving at a constant rate of 85 km/hour. At that rate, the number of minutes needed to complete the last 43 kilometers of the
Simplify show all steps 30 POINTS
Express the inequality - 1.3 < x < 1.8 using interval notation
A man bought a car for Naira 120000 and later sold it at a loss of 6%calculate the selling price​
does (3,-4) lies on the locus x2+y2=25​
is 4.49 a rational number
Estimate the number of cells that belong to each phase of the cell cycle the. Explain how you made your decision and describe what occurs at each phase of mitos