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

Imprisonment for a first DUI conviction is not more than ___

(04.04) Please help me, thanks so much. This is all the info I have been given. Escribe la preposición correcta para completar la frase. Write the correct prepo

Which process will create a figure that is NOT congruent to the figure shown? ( PLEASE PROVIDE EXPLANATION )

True or false replication is the cellular process that copies dna prior to cell division true or false

Voles possessing the long version allele of avpr1a are:

Which equation is equivalent to 2(4x+3)-5x=1? A) 8x+6=1 B)13x+3=1 C)3x+3=1 D)3x+6=1

One goal of christian missionaries was to break up multi-family units within native american tribes since these were common in matrilineal societies and gave to

purpose of boiling chip

When asked "what is the capital of south dakota?" participants who cannot initially remember the answer often show improved recall when given the prompt, "is it

Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the pres