SOLUTION: I need help with a few problems please.. 1.) x^2-8x=-12 2.)1/2x^2+4x=7 3.)0.25x^2-1.2x+3.2=0 and 4.) 5x^2=3.5+4.7x I need to solve these using the formula x= -b + or minus the

Algebra.Com
Question 607427: I need help with a few problems please.. 1.) x^2-8x=-12 2.)1/2x^2+4x=7 3.)0.25x^2-1.2x+3.2=0 and 4.) 5x^2=3.5+4.7x I need to solve these using the formula x= -b + or minus the square root of b^2-4ac over 2a
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi
1.) x^2-8x=-12 OR x^2-8x+12 = 0

x = 6 & x = 2
2.)1/2x^2+4x-7 =0



RELATED QUESTIONS

hi i need help with quadratic equations and i need steps please 1)(x-6)(x-4)=0... (answered by MathLover1)
Please help I need to know do these Quadriac Equations have a solution or not. And how to (answered by stanbon)
I need help with a few problems. These are my hardest ones. 1. -3 = 7 - 4y 2. 2x +... (answered by bonster)
Can you help me with these i want to make sure i did it all right (x-5)^2+2(x-5)-35=0... (answered by Alan3354)
I just started trig and need help refreshing. Please help with a few problems... 1.... (answered by nyc_function)
my problem are plz help me i need to see the work i need them solved by tonight plz... (answered by Alan3354)
I need help solving these problems, I do not want the answers given to me, I want to... (answered by Alan3354)
I need help with this problem: 10x^3 - 25x^2 + 2x - 5 I assume you need to... (answered by eperette)
I need help with these problems!!!! PLEASE i have no clue. 1. -x/6 +4 < 1 2. ADD (2b-4) (answered by Alan3354,unlockmath)