65x2+55x=0

Simple and best practice solution for 65x2+55x=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 65x2+55x=0 equation:



65x^2+55x=0
a = 65; b = 55; c = 0;
Δ = b2-4ac
Δ = 552-4·65·0
Δ = 3025
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{3025}=55$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(55)-55}{2*65}=\frac{-110}{130} =-11/13 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(55)+55}{2*65}=\frac{0}{130} =0 $

See similar equations:

| x-32=-39 | | 16l+48=192 | | 3n=5=2n | | 4a-40=-32 | | 4x+5=7x-19 | | 6c-82c=-16 | | 10u-90=30 | | x³+6x²-4x-24=0 | | 5x(3x-2)(7+3x)=0 | | 2q-20=14 | | 6e+30=60 | | 5/6y=1/5 | | (x+1)(x-1)(x2+7x)(x-4)-2=2x | | 4*(x–3)=2x+4 | | 8(x+2)=3(2x+9)+2x | | 4·(x–3)=2x+4 | | 1/2y+10+1=-2/y+5 | | 4x+6+5x=4 | | (x+1)(x-1)=2x | | 4(-7x-6)=-108 | | 0.3x^2+x+0.4=0 | | 0.3x^2+x+4=0 | | 0.5–|x–12|=–0.25 | | 10x^2–64=36+6x^2 | | x+27=0 | | 100/14=x/56 | | 5(x-4)=80 | | 4x-+5=2x-29 | | -8+65x=52x+7 | | x=30/2.5x= | | 2y/8=4(y-5) | | (4x+12)(8x-2)=0 |

Equations solver categories