SOLUTION: 12 = 2x squared + 5x i tried to do a function box but i couldnt figure it out imissed that day of school but my teacher said to figure it out.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: 12 = 2x squared + 5x i tried to do a function box but i couldnt figure it out imissed that day of school but my teacher said to figure it out.      Log On


   

Question 33562This question is from textbook Algebra 1
: 12 = 2x squared + 5x
i tried to do a function box but i couldnt figure it out imissed that day of school but my teacher said to figure it out. This question is from textbook Algebra 1

Answer by priya(51) About Me  (Show Source):
You can put this solution on YOUR website!
UR QUESTION IS 2x^2 +5x =12
this can be written as 2x^2 +5x - 12 = 0(just bring the 12 from right on the left,this will change the sign of the number)

now, simplify the expression and find values of x by factoring.
therefore
(2x-3)(2x+8) = 0
the values of x are 3/2 and 4 (8/2=4).
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PRIYA