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

Select the FALSE statement about the function of antibodies. A. Antibodies may bind to and block specific sites on viruses or bacteria thereby neutralizing th

Identify the steps you would take to solve each equation. Then solve 7y + 6 + 4y + 13 = 26

________ is a nonprobability sampling technique that is a two-stage restricted judgmental sampling. The first stage consists of developing control categories of

What is the largest predicament with the climate changing in Africa

I helped a miller's daughter spin straw into gold for a king. I asked for her first-born child in return, but allowed her a reprieve if she could guess my name

Solve for t. -2(t + 1) = -6

Why do you think the British Colonies became larger and more successful that the French? Explain your answer below.

find the value of x

9. Marcia needs a packing box with a volume of at least 180 cubic inches. 10 in. 4 in. 5 in. Part A Is the box the correct size? Explain. Part B Shipping costs

a metal mast is stabilized with 3 guy wires. Find the slope of one of the guy wires if d = 100 ft and h= 70ft