If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-4x^2+5=9
We move all terms to the left:
-4x^2+5-(9)=0
We add all the numbers together, and all the variables
-4x^2-4=0
a = -4; b = 0; c = -4;
Δ = b2-4ac
Δ = 02-4·(-4)·(-4)
Δ = -64
Delta is less than zero, so there is no solution for the equation
| 2(8x-1)(x+5)=59 | | -195=-6(-4+6x)-3 | | -3u+19=-5(u-7) | | 19+8x=139 | | 5*t-3-t+2=4*t-1 | | -5x-13=47 | | 4(1)+3y=9 | | 0.6x-4.2=-3.6 | | -2x-19=51 | | -9=10x-9 | | 2(x+8)=-12 | | -2x+6=38 | | (6.25*4)+3x=34.60 | | 66+56+x=180 | | 3(x-1)-4x=6-(x+4) | | c-9÷4=-6 | | -3+-1x=-8 | | 42+103+x=180 | | -3y=y-4(2+y) | | 66+62+x=180 | | 2x/7=18/21 | | 12(3/2x+1/3)=-5/9x+2 | | 3(x+4)=6-2(x+7) | | 15x=45-12x | | 6(3+8p)+6=-120 | | 12(3/2x+1/3=-5/9x+2) | | 9(3/2x+1/3=-5/9x+2) | | 4t-7=29 | | 4(a+4)-5(a-2)=22 | | x-5/18=1/9 | | -0.79p-2=0.25p | | -4u+2(u+8)=6 |