04-07-2017
Mathematics

contestada

How do you factor 2r^2 + 5r +3

Respuesta :

apologiabiology apologiabiology

04-07-2017

magic and experience and trial and error
use ac method
2 times 3=6
what 2 numbers multiply to get 6 and add to get 5?, 2 and 3
split the middle number into those

2r²+2r+3r+3
group
(2r²+2r)+(3r+3)
factor
2r(r+1)+3(r+1)
undistribute
(r+1)(2r+3)

Answer Link

Otras preguntas

You pick up a brochure at the grocery store. You cannot find any information about the people who created it. This information is _____. reliable or unreliable

Enlist the significance of reproduction

In two or more complete sentences, Explain how you would find the equation of a parabola, given the coordinate of the focus and the equation of the directrix.

You can often tell what a word means by its _______ in a sentence.

Find the value of 2a² + 5b² when a= -6 and b= 2

Which passage is part of the climax of Edgar Allan Poe's "The Black Cat"?

Read the excerpt from "digging" the cold smell of potato mould, the squelch and slap of soggy peat, the curt cuts of an edge through living roots awaken in my h

What was expected of the colonists through the new Quartering Act passed in 1774 as part of the Coercive Acts (Intolerable Acts)?

Which of the following equations could be the equation for the line of best fit for the given set of data?

Where dose the first stage of cellular respiration, glycolysis, occur?