If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f(2)=3-2(2)^2
We move all terms to the left:
f(2)-(3-2(2)^2)=0
We add all the numbers together, and all the variables
f^2+481=0
a = 1; b = 0; c = +481;
Δ = b2-4ac
Δ = 02-4·1·481
Δ = -1924
Delta is less than zero, so there is no solution for the equation
| d=16/ | | ...x12=-144 | | 4(4.5x-3.5)=2.5x | | 65x12= | | 2x-3=2-(3x-1)-5 | | 17x⁵+15=0 | | (3x+8)/4=14 | | 3e-12=7e-8 | | 4/3y+y+8/3y=180 | | x4+-11x2+-12=0 | | 2x+20+2x=180° | | X².8=8.x² | | 10n-15-2n=17 | | 10x-5=6(8x+3)-5x | | X2.8=8.x2 | | -5x^2-27x+56=0 | | 4x+8=-3x+7 | | 25+3=5x | | 5x=25+3 | | 3+2x-1=4-3x-3 | | X+40×90/100=x+x+40/2 | | (6x+18)°=8x° | | 7x=5x-(3x-2) | | 3(2x+4)=6x+126x=12x=2 | | 5(4×2x)=9(x+4) | | 7=x/2=4 | | 4(y+8)-8y=4 | | 5(v-8)-7v=-36 | | 4(a+6)=4a+24 | | -8x-7+5x=28 | | -8u+5(u+4)=17 | | (2x+6)(3x−3)=0 |