kayla0321
kayla0321
02-09-2017
Mathematics
contestada
How do I solve this
Respuesta :
caylus
caylus
02-09-2017
Hello,
[tex]x^2-2x-27=-5x+1\\ x^2-2x+5x-27-1=0\\ x^2+3x-28=0\\ x^2+7x-4x-28=0\\ x(x+7)-4(x+7)=0\\ (x+7)(x-4)=0\\ x=-7\ or\ x=4\\ [/tex]
Answer Link
kayyhomie
kayyhomie
02-09-2017
The answer is X1=-7, x2=4.
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
Felix and Julyssa are computing 3 + 4 x 4. Feliz says the answer is 28. Julyssa says the answer is 19. Who is right? Explain.
Why is an enzyme in a chemical reaction like a lock and key? A. The active site and the substrate fit perfectly together, and when they do, they unlock the chem
HI!! Please answer this! You install a mailbox by buriyng a post as shown. According to postal service guidelines, the bottom of the box must be at least 41 in
13 Select the correct answer. What is one quality of a strong research question? ОА. The question can be answered with "yes" or "no." OB The question explores v
Plant and animal cells are both eukaryotic cells that share many organelles and cell structures in common. However, each have unique organelles that perform spe
how many countries are there in the world?
The first use of the phrase is matter-of-fact. In the second stanza, the statement is followed by a period, which shows resignation. However, at the end of the
How does the prospect of student debt shape your goals for the future?
A wire 26 cm long is cut into two pieces. The longer pieces is 2 cm longer the the shorter peice. Find the length of the shorter peice of wire _________ cm
JKL and RST are shown below. Which of the following statements is true? Look at picture.
