03-05-2017
Mathematics

contestada

K2-4K-21. How do you factor this

Respuesta :

apologiabiology apologiabiology

03-05-2017

assuming yo mean
k²-4k-21

factor by doing
what 2 numbers multipily to get -21 and add to get -4?
-7 and 3

(k-7)(k+3) is factored

Answer Link

Otras preguntas

please help me with this. I need the steps please. thanks!

Netpass company has 600,000 shares of common stock authorized, 510,000 shares issued, and 240,000 shares of treasury stock. the company's board of directors dec

A City Mouse and a Country Mouse were acquaintances (friends), and the Country Mouse one day invited his friend to come and see him at his home in the fields. T

Plz solve, It is known that p% of a number is a. Write the expression that represents this number?

its actually appendicular skeleton

In “The Monkey’s Paw,” a stranger comes to the door. How does this scene contribute tension to the rising action of the story? A. The stranger informs the Whit

Some plants are triploid. if a plant has a haploid chromosome number of 42, how many chromosomes would be present in a triploid plant's somatic cells

A propert company sold 20% more houses in 2007 than it did in 2006. If the company sold 426 houses in 2007 calculate how many houses it sold in 2006

President Carter’s stimulus plans

A video game store allows customers to rent games for $4.75 each. Customers can also buys a membership for $54 annually, and video games would only cost $2.50 e