24-03-2017
Mathematics

contestada

Solving Quardratic Equation

x^3 + 5x^2 -16x - 80 = 0

Respuesta :

wolf1728 wolf1728

24-03-2017

This is not a quadratic equation.
It is a cubic equation.
X1 = 4
X2 = -5
X3 = -4

Answer Link

Otras preguntas

why was france bankrupt in 1789

Write a rule for multiplying two radicals with the same radicand. Justify why your rule works

Which sentence does not have an error in subject and verb agreement? A. The sun, warm and sunny, were shining on the lake. B. A slim chance at success was my

Was it a mistake for the British to use mercenaries to help them fight the war?

Was it a mistake for the British to use mercenaries to help them fight the war?

What is the rule of a few wealthy people called

The price of dress fabric is proportional to the length of fabric purchased. The graph shows this relationship. What is the unit rate for the situation? A. d

What is the y-intercept of "y-8x+2"?

true or false? it's not possible to build a triangle with side lengths of 7, 6, and 9

Which describes independent events? A) Selecting two tickets by choosing a raffle ticket at random from a jar and disposing of the first ticket before selecting