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

1) what is the function of a cell’s selectively permeable plasma membrane?

Why are most hindus are vegtarians?

You are a quality inspector at an automobile production plant. a machine produces 50 car seats per day. on monday, you had to reject 5 car seats because of defe

"informal worship does not show true reverence for god" Do you agree?

What three things most directly affect carrying capacity??

What is 8.8 ÷ 100 = ??

Select the correct meaning of the word below. You may use a dictionary. victuals vital organs food

A ___ is an instrument that can detect and upcoming tornado.

The formula for the lateral area of a right cone la=pirs, where r is the radius of the base and s is the slant height of the cone. which are equivalent equation

During pontiacs war did France cause Indian nations to attach settlers