cshep9085
cshep9085
15-08-2017
Mathematics
contestada
what is the value of x
4x^3+3=867
Respuesta :
backseatdog
backseatdog
15-08-2017
Isolate the x:
4x^3 = 864,
x^3 = 216
x = 6
Answer Link
apologiabiology
apologiabiology
15-08-2017
minus 867 from both sides
4x³-864=0
undistribute 4
4(x³-216)=0
factor differnce of 2 perfect cubes
remember that a³-b³=(a-b)(a²+ab+b²)
so
(4)(x³-6³)=(4)(x-6)(x²+6x+36)=0
set each to 0
x-6=0
x=6
x²-6x+36=0
no real numbers will work for x
x=6
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
Who challenged the United States to contain communism in world war 2
Need help on the last ones
approximately 200 people died in the colfax war true or false
what are the different prime numbers that divide exactly into 2233
which is one cause of speciation?
Why can’t we take the square root of a negative number?Provide Example.
What role did arkansas governor orval faubus play in the little rock crisis?
If you eat fast food, your health will decline. if your health declines, you might have a heart attack. if you have a heart attack, you could die. therefore, ea
Resuma o tema operações com números positivos e negativos POR FAVOR RESPONDA CERTO E RÁPIDO É URGENTE!
Two radio waves are used in the operation of a cellular telephone. To receive a call, the phone detects the wave emitted at one frequency by the transmitter sta
