If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x^2-15+25=0
We add all the numbers together, and all the variables
2x^2+10=0
a = 2; b = 0; c = +10;
Δ = b2-4ac
Δ = 02-4·2·10
Δ = -80
Delta is less than zero, so there is no solution for the equation
| X+2y=2400 | | -0.10(90)+0.85x=0.05(x-20) | | 3x+2x-x=3 | | x+4=-3x-17/2 | | 18=1.08(t/27) | | 3^1*3^-3=x | | b-30=-60 | | x+4=(-3x-17)2 | | Z2+4z+16=0 | | 3^1x3^-3=x | | 8k+4=3k+19 | | 3^0=n | | 3x+60=84-5x | | (z+3)^4=-324 | | m-3=-(2m+7) | | 2k^2-6k=0 | | m-3=-2m-7 | | 4x+26=2x+20 | | -16=3(6h)+5 | | -x-4,8=1,2 | | 4n+7-4n=5 | | 2x2−7x−6=0 | | m-3=2m+7 | | 5(3x-7)^3+x(3x-7)^2=0 | | 1/2x-4=2/3x-1 | | 2.80=7c-0.75 | | 14(4y)= | | -3x+2x-5=4x+2 | | 1/4x+1=-3+1/3x | | (x-1)(x+1)-9=0 | | 9y=133 | | 6p-4=-4p+5 |