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.

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) (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).
VISIT MY SITE TO LEARN MATHS ONLINE !!FREE LESSONS INITIALLY..
PRIYA

RELATED QUESTIONS
my math teacher is literally horrible at teaching and every year 75% of his class fails... (answered by rodriguezh2)

f(x)=x-5; (4,y) is this ordered pair a solution or no. I"ve tried this solution with my... (answered by ankor@dixie-net.com)

How do you solve 3(x+7/3)^2=1 i've tried to do it but i just cant figure it out my... (answered by jim_thompson5910)

i would really like someone to help me with this problem i have tried to do it but im not (answered by checkley71)

My son's teacher game him this problem and i want to help him work throught. But I must... (answered by Nate)

I'm soooo confused, I'm in the 7th grade and my math teacher isn't explaining algebra in... (answered by stanbon,ankor@dixie-net.com)

write an equation for the line that passes through (6,2) and is parallel to y=-1/2x+4... (answered by solver91311)

Hey, I have an issue. I had a rectangle with the area of 255m squared, the length=... (answered by savvyhush23)

I've been trying to figure out how to do this problem but I can't seem to get it right.... (answered by stanbon,checkley71)