588=x2+7x

Simple and best practice solution for 588=x2+7x 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 588=x2+7x equation:



588=x2+7x
We move all terms to the left:
588-(x2+7x)=0
We add all the numbers together, and all the variables
-(+x^2+7x)+588=0
We get rid of parentheses
-x^2-7x+588=0
We add all the numbers together, and all the variables
-1x^2-7x+588=0
a = -1; b = -7; c = +588;
Δ = b2-4ac
Δ = -72-4·(-1)·588
Δ = 2401
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{2401}=49$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-7)-49}{2*-1}=\frac{-42}{-2} =+21 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-7)+49}{2*-1}=\frac{56}{-2} =-28 $

See similar equations:

| (n-1)+4n=2(3n-1) | | -2=-2(x+) | | -1/3*y-6=-11 | | 6z=4(1z/2-8) | | 4g-8g+6=-18 | | -1y-8=0 | | (-0.25)+x=4.75 | | -2(6x+11)=5(x+11)-6x | | 5=r/5+3 | | 9x−2=7x+5 | | x(x-3)=6x | | 5x+2-3×=2×+2 | | m-(-5)=23 | | 12x–18=4x+30 | | 11(-8+4b)=-11(-2b-4) | | 24-5x=-1 | | x+67+x+57+80=180 | | 6y+30=-6 | | 10/14=x/100 | | 11(-8+46)=-11(-2b-4) | | 100=63x122+(19x72) | | 0.35m+4.50=5.55 | | 25/3=x/9 | | |4x|-16=-4 | | 2(x+2=-4 | | 9x+24=3 | | -9(3p-6)=-p+3(-2-12p) | | 6y+39=-6 | | 6x+13=3(2x+5)-2 | | 6(x-1)=9x-4(4x-5) | | -1y+20=31 | | 27x-18=9(3x-2) |

Equations solver categories