23-11-2016
Mathematics

contestada

Sole the equation 2x(2x-1)=x to the power of two plus 3x+2

Respuesta :

texaschic101 texaschic101

23-11-2016

2x(2x - 1) = x^2 + 3x + 2
4x^2 - 2x = x^2 + 3x + 2
4x^2 - x^2 - 2x - 3x - 2 = 0
3x^2 - 5x - 2 = 0
(3x + 1)(x - 2) = 0

3x + 1 = 0
3x = -1
x = -1/3

x - 2 = 0
x = 2

so x = -1/3 or x = 2

Answer Link

Otras preguntas

the goal of this resloution was eventually achieved with the

If your friend asked, "Why are plastics good insulators?" you would reply: 1. In order for electricity to flow you must have atoms that are able to easily los

The parabola below is a graph of the equation, . -y^2+x=-4 Which of the points satisfy the inequality, -y^2+x<-4 Check all that apply. A.Point F B.Point B

When words communicate one message while actions, body language, or appearance communicate something else it results in a(n) _____?

What is the domain of the function, f(x) = square root of x plus 9 end root?

The interview with c. j. pascoe highlights the peer pressure that males can face in school to conform to certain ideals of masculinity. if a high-school footbal

A pair of nike tennis shoes costs $90 in the united states. if the exchange rate between the united states and mexico is 0.10 ($0.10 = 1 peso), then that same p

What are the domain and range of the function on the graph? Please help

how did the french revolution affect american politics?

Earth's oceanic crust acts like a "tape recording" of past magnetic reversals and shows that the seafloor is spreading outward from the east coast of North Amer