2x^2-7x=69

Simple and best practice solution for 2x^2-7x=69 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 2x^2-7x=69 equation:



2x^2-7x=69
We move all terms to the left:
2x^2-7x-(69)=0
a = 2; b = -7; c = -69;
Δ = b2-4ac
Δ = -72-4·2·(-69)
Δ = 601
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-7)-\sqrt{601}}{2*2}=\frac{7-\sqrt{601}}{4} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-7)+\sqrt{601}}{2*2}=\frac{7+\sqrt{601}}{4} $

See similar equations:

| 3^2x+1-18(3^x)-18=0 | | -23+3x=-(x-9) | | 15+2x=3(4x-15) | | -2(2x-3)=3x-8 | | 9x+3=3x-21 | | 492x-3)=52 | | 1/3x-12=21 | | 6+5b=3+4b | | 6+5b=3 | | 12m-13=11m+4 | | 6x-47=-14 | | x-2/2=x/5+1/2 | | (y+12x=268) | | 1/2(6x+20=x+4+2(x+3) | | 6+19r-5=7r+120-5r | | -36=6(4x+10) | | 1/3x+1/3=5/3 | | 48p-12=24p | | 5x+3=63x | | (2x+6)(-3x+9)=0 | | x^26x+9=0 | | 12/x=11.09 | | x^2-22.5x+36=0 | | (3x-2)/4=(7x-4)/5 | | 1=(5x+2)/3 | | (x-4)/2=2 | | 5(4x+3)=3(5x+1) | | 38-4y=22 | | 8w-6=26 | | 2y-20=10 | | 9p+10=91 | | x1/3-7=0 |

Equations solver categories