4x2-4x-3 = 0
(2x-3)(2x+1) = 0
x = 3/2 or x = -1/2
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Yes it is!
y = 0 and x = 8.
1). y = 12). y = -4x3). y = -12xA "solution" is a pair of numbers ... one for 'x' and one for 'y' ... that makes the statements true.There is no solution for the group of all three equations.The solution for #1 and #2 taken together is (-1/4 , 1).The solution for #1 and #3 taken together is (-1/12 , 1).The solution for #2 and #3 taken together is (0, 0).
Using the quadratic formula, I found the solution set is x=2,x=-9
No solution. Multiply second equation by 3 and get 12x + 6y = 0 but already stated 12x + 6y = 9...