Anna0114 Anna0114

01-06-2015
Mathematics

contestada

what are the zeros of (x-2)(x^2-9)

Respuesta :

Аноним Аноним

01-06-2015

[tex](x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}[/tex]

Answer Link

Otras preguntas

Part I : Plate Tectonics As the plates separate, collide, and slide past each other what 3 things are either formed or occur? a. b. c. 2. In your own words expl

Evaluate the expression. (15 + 6) divided by 3

3. What is the crucial factor for a sample selection to be random?

pls help me [tex]49 = {x}^{2} [/tex]49=x2

A car with a mass of 1. 2 × 103 kilograms starts from rest and attains a speed of 20 meters/second in 5 seconds. What net force acted on the car to cause that a

What should Raj do to ensure that he stays safe in the workplace? He should make sure to bend his knees as he lifts the boxes. He should try to use the small mu

Which of these organisms is an animal-like protist?

Read the story.Next week, Wendy is going on a 4-day ski trip to Mount Flurry. She wants to ski on fresh powder, so she checks the weather forecast. Each day has

What is the empirical formula for a compound if a sample contains 1. 0 g of S and 1. 5 g of O? SO SO3 S2O2 S2O3.

What did the Homestead Act and the Enlarged Homestead Act eventually cause? a. Experienced farmers that took the land given that built productive farms. b. Inex