kathysmith kathysmith

23-06-2017
Mathematics

contestada

Select the two values of the x that are roots of the given polynomial below. 3x^2+20x-7

Respuesta :

Banabanana Banabanana

23-06-2017

3x² + 20x - 7 =
3x² + 21x - x - 7 =
3x(x+7) - (x+7) =
(3x-1)(x+7)

3x-1 = 0 or x+7 = 0
x = -1/3 x=-7

Answer: -7, -1/3.

Answer Link

Otras preguntas

Which is a FALSE statement about dilations? A A dilation changes the orientation of a figure. B A dilation can enlarge a figure. C A dilation will produce si

4. How did the making of the corn husk dolls show that the American Indians were not wasteful?

The passage below appears in the section of Benjamin Franklin's proposal that lists what children should study and how. Reread it, and look for its implicit mea

A math book is 2.9 dm wide.How many millimeters wide is the book? (1 dm = 100 mm)Enter your answer in the box.

What public goods does the federal government provide?

An English dictionary provides a collection of words in one or more specific ___________, often alphabetically. ☐ Meanings ☐ Words ☐ Languages ☐ Pages

Solve for a, please give step by step explanation

What did American Indians agree to do in exchange for the food and clothing offered by Spanish missions? A) Search for gold B) Become conquistadors C) Convert

WILL MARK YOU BRAINLIEST!!!!

5x – 2xy - 4x + 8xy + y