Help With Math
posted by Monte' on .
Using the quadratic formula to solve equations.
12^2 + 12 x9 = 7x^2
10x^2 + 5x + 12 = 0
6x^2 + 12x =  1
11x^2  7x 1 = 0
2x^2 18x + 16 = 0
Can u show work to help me out

I will do one .
11x^27x1=0
a= 11
b=7
c=1
x= (b+sqrt(b^24ac)/2a
Put the numbers in, and solve. 
= 7 +or isqroot 5/22