03-04-2016
Mathematics

contestada

x(x^2-6x+5)=12(x-5)
Please! Step by step.

Respuesta :

annika64 annika64

03-04-2016

X(x^2-6x+5)=12(x-5)
Distribute
x^3-6x^2+5x=12x-60
Simplify (minus 12x from both sides)
x^3-6x^2-7x=60
Factor X
x(x^2-6x-7)=60
Divide X from btoh sides
(x^2-6x-7)=60/x
Simplify
X=7.861308

Answer Link

Otras preguntas

Can someone explain lesson 6.3 math boxes in everyday math regarding the missing numbers on the number lines

An object of mass 2 kg has a linear momentum of magnitude 6 kg • m/s. What is this object’s kinetic energy?

How can i solve this f:d->R f(x)=x at power2/x-1

A test cross with an organism with a homozygous recessive genotype results in 50% of the offspring exhibiting the recessive trait. What is the genotype of the t

In the formula e = hf, if e is doubled and f is halved, what happens to the value of h?

If 4x+5y=10 and x+3y = 8 then (5x+8y)/3=

Meg pounded a stake into the ground. When she attached a leash to both the stake and her dog’s collar, the dog could reach 9 feet from the stake in any directio

how do you figure out what is 1/4 of 10.

A midwestern music competition awarded 35 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. the number of red ribbons was

How can i solve this f:d->R f(x)=x at power2/x-1