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 ( 34+ )
Otras preguntas
Differentiate sinx cosx
Ten times a number increased by 5 is greater than twelve times a number decreased by one.
When Grendel fights Beowulf, the reader learns that the monster’s “time had come,” and he will soon die. What does this idea say about the Danish belief in fate
Air contained within a piston-cylinder assembly undergoes three processes in series: A) Process 1-2: compression at constant pressure from P1=10lbf/in2, V1=4ft
4/5x + 4/3 = 2x solve for X
What is believed to be the correct order of migration after humans left Africa? A. South Asia, Australia, Europe, the Americas B. the Americas, Australia, South
a car traveling at 7.0 m/s accelerates uni formally at 2.5 m/s^2 to reach a speed of 12.0 m/s how long does it take for the acceleration to occur
Danny has taken a cross section of a seed. Which of the following are the parts that he will see? pollen grain, sperm, and egg stored food, flower, and
What is 0.006 written as a fraction of a percent?
a problem states: "there are 5 more girls than boys in a class. there are 27 students in the class in all. how many boys are there in the class?" what are the u