cctsmera
cctsmera
21-05-2015
Mathematics
contestada
what is the answer to 2x^2 - 3x - 15 = 5
Respuesta :
hunaifirst
hunaifirst
21-05-2015
2x²-3x-15=5
2x²-3x-15-5=0
2x²-3x-20=0
½(2x+5)(2x-8)
-2x=-5
x=-5/2
2x-8=0
2x=8
x=4
---------------------------
Answer Link
VER TODAS LAS RESPUESTAS ( 42+ )
Otras preguntas
Please help on this one ?
The 27th Amendment repealed the prohibition of the sale and consumption of alcohol, in 1933. True False
The smallest part of a compound that still has the properties of that compound is a(n) A. nucleus. B. molecule. C. orbital. D. mixture.
Write the superlative form of the following word. Friendly
In 2000 the number of students enrolled at Arlington County day school was 823 students in 2010 the population was approximately 705 students find the percent o
What type of drink has Ethanol and Lactate in it?
Help me!! <ABC = ____?
Please can someone help me?
The volume of a sphere is 11, 488 cubic centimeters. What is the diameter of this sphere, to the nearest centimeter? (Volume of Sphere = 4/3πr3 ) Use pi = 3.14
Which kingdom includes only multi cellular heterotrophs whose cells lack a cell wall
