2x2-98=0

Simple and best practice solution for 2x2-98=0 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 2x2-98=0 equation:



2x^2-98=0
a = 2; b = 0; c = -98;
Δ = b2-4ac
Δ = 02-4·2·(-98)
Δ = 784
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{784}=28$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-28}{2*2}=\frac{-28}{4} =-7 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+28}{2*2}=\frac{28}{4} =7 $

See similar equations:

| |2x+5|=3x+4 | | 2x-(.5x)=6 | | 5n+4=6n+10 | | 10x-(3x-1)=15 | | 13-2x=-12+3x | | -46=-30-n | | 6=2(p-7)+4 | | 33+n=5n+13 | | 2(6-2m)+4m=4(m-1) | | x-(.5x)+6=10 | | 4-m2=10 | | 3(7+k)=-21 | | 2x-1:x+1=2:x | | 15=x3-2 | | -x2+36=0 | | 116=-10(7x+8)+8(-3+6x) | | 22=2x+5 | | -4t^2+3t+2=0 | | 2x+.5x=15 | | -20+6x=7(6-8x) | | 24+6m=5-5(m+5) | | -6x+4+x=11 | | 4m^2=-m+39 | | 13y+14=512 | | 5X-6=2x-33 | | -4(4n-4)=96 | | 5x-+12+2x-7=10 | | x6+4=15 | | -8m+17+6m=112m=6.78 | | 18=3k+4-7 | | 7-x=3=9x+10 | | 31^x=79 |

Equations solver categories