x-3=2x2-1

Simple and best practice solution for x-3=2x2-1 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x-3=2x2-1 equation: 



x-3=2x^2-1

We move all terms to the left:

x-3-(2x^2-1)=0

We get rid of parentheses

-2x^2+x+1-3=0

We add all the numbers together, and all the variables

-2x^2+x-2=0

a = -2; b = 1; c = -2;
Δ = b2-4ac
Δ = 12-4·(-2)·(-2)
Δ = -15
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 11b=22 | | x-3=2(2)-1 | | 3/7(x-2)=-4 | | 9+m=-13 | | 26+34+34+x=132 | | 5x^{2}=2455x​2​​=245 | | 64-n=17 | | -10e=26 | | 3x−7−3/2​(9x−6)=15 | | –16=10p+4 | | 5a+9=63 | | 2x+(2-)=10x-4 | | 5x+10=4x=3x | | 5x+10=4=3 | | x²-108=13 | | n/4=-1.3 | | x+29/5=4 | | -1.4(z+-3.8)=2.38 | | 4m-7,m=5 | | 5x-8=9x-16 | | 0.25v=0.75 | | x+6x-15=90 | | 6n,n=1 | | 42x=378 | | 4x-23=7 | | 2(3x4)=3x+1 | | 1/5n=-4 | | 355-5x=5x=x | | −4−x3=−6 | | 5(n-2)+9=n=2.3 | | w/0.3=6.4 | | (1.4x)+(2.4x)=90 |

Equations solver categories