X^2-31x=32

Simple and best practice solution for X^2-31x=32 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^2-31x=32 equation:



X^2-31X=32
We move all terms to the left:
X^2-31X-(32)=0
a = 1; b = -31; c = -32;
Δ = b2-4ac
Δ = -312-4·1·(-32)
Δ = 1089
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1089}=33$
$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-31)-33}{2*1}=\frac{-2}{2} =-1 $
$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-31)+33}{2*1}=\frac{64}{2} =32 $

See similar equations:

| 14+3d=8d-3(d-4) | | 8m=416m= | | 5m-20/12m^2-12m=m-6/4m^2-4m-m-4/12m^2-12m | | b-4/12=b/4 | | 3x/x+4+4x/x-3=84/x^2+x-12 | | y+7.2=-8.6. | | 14=3d=8d-3(d-4) | | X^2+0x=135 | | 8m=416(m=) | | 6(2x+8)=24+6x | | 8z+5+3z+10=180 | | -4+4x=8x-4(1+5x) | | 7x+1+2x+11=180 | | 8s-10=(6-2s | | 10+r=2(2r+2) | | 2z+8=8 | | x2+11=38 | | 6x^2+36= | | 5^x-2=29 | | 30=13/10b | | 1x=9x-10 | | 5(2y-3)=7(2y+3) | | y−7=21 | | 7x+1+2x+11=90 | | x/x+2+7/x-5=14/x^2-3x-10 | | 3(2a-5)+4(3a+2)=11 | | 8m=416,m= | | 5(2y-3)=7(2y=3) | | 2x÷5-3÷5=11÷5 | | 20=-4v | | 4(7^x)=16 | | 30=6(5+4y) |

Equations solver categories