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 ( 87+ )
Otras preguntas
Multiply these fractions (Lowest Terms) a) 2 x 3/4 b) 3 x 3/5 c) 4 x 1/3 d) 6 x 2/5 e) 1/2 x 1/4 f) 4/5 x 2/3 g) 5/6 x 3/4 h ) 1/10 x 2/3 i) 2 1/5 x 1/
Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?
the graph below shows the distribution of students grades on their last math test. Based on the Empirical rule, what percent of students made.. *btwn 80 n 85 o
where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.
If the length of each side of a square prism is ten feet. Find the total surface area of this object
how do u find the area of a triangle
Multiply these fractions (Lowest Terms) a) 2 x 3/4 b) 3 x 3/5 c) 4 x 1/3 d) 6 x 2/5 e) 1/2 x 1/4 f) 4/5 x 2/3 g) 5/6 x 3/4 h ) 1/10 x 2/3 i) 2 1/5 x 1/
What number is equivalent to 13/2
Please answer:If a stadium holds 60000 people.1. If the stadium is 2/3 full, how many people are there?2. If the stadium is 3/4 full, how many people are there?
Guess the mystery number.The number is greater then 10 and less then 18. The number is the sum of two identical odd numbers. What is the number? Show how you fo
