kiarafitch78 kiarafitch78
  • 11-04-2018
  • Mathematics
contestada

–2x + 14 = x2 – 3x + 12 3.Solve to determine the unknown variable in the equation. What are the values of x?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 11-04-2018
–2x + 14 = x^2 – 3x + 12

add 2x to both sides:

14 = x^2-x +12

subtract 12 from both sides:

2 = x^2-x

 subtract 2 from both sides:

x^2 -x -2 = 0
 now factor the polynomial:
(x-2) (x+1) = 0

solve for x
2-2 = 0
-1 +1 = 0
 so x = 2 and -1



Answer Link
bigboidom
bigboidom bigboidom
  • 26-05-2020

Answer:

ITs C

Step-by-step explanation:

Answer Link

Otras preguntas

Write an expression using variables to show how much 3plain t-shirts and 2printed shirts will cost assuming the prices are not the same
What makes colorado plateau a special place
what is the word form for the number 37,917,545??? i am in elementry
what two numbers equal the absolute value of 15
Which measure is equivalent to 48 ft? A. 4 in. B. 16 in. C. 288 in. D. 576 in. asap like now now
the term used to describe a trade route with three stops is
what is a gcf for 40 and 48
Is 12.2 a rational or irrational number
Because two events may be caused by some other events, a correlation doe not mean that one ____ the other. For this reason, correlation thus does not enable ___
The Great _______ Range, running just inland along Australia's eastern coast, is that continent's only significant mountain chain. a. Dividing b. Barrier c.