(7/5)x^2-12.5x-38.9=0

Simple and best practice solution for (7/5)x^2-12.5x-38.9=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 (7/5)x^2-12.5x-38.9=0 equation: 


x in (-oo:+oo)

(7/5)*x^2-(12.5*x)-38.9 = 0

(7/5)*x^2-12.5*x-38.9 = 0

7/5*x^2-12.5*x-38.9 = 0

DELTA = (-12.5)^2-(-38.9*7/5*4)

DELTA = 12.5^2+217.84

DELTA = 374.09

DELTA > 0

x = ((12.5^2+217.84)^(1/2)+12.5)/(7/5*2) or x = (12.5-(12.5^2+217.84)^(1/2))/(7/5*2)

x = 5/14*((12.5^2+217.84)^(1/2)+12.5) or x = 5/14*(12.5-(12.5^2+217.84)^(1/2))

x in { 5/14*(12.5-(12.5^2+217.84)^(1/2)), 5/14*((12.5^2+217.84)^(1/2)+12.5) }

See similar equations:

| 2(y-6)=-y-3 | | n+22-15=-2 | | 3(4x+1)=6(2x-5) | | (x^2-2x+4)+(y^2-2y+4)=4 | | -5x-14=16 | | 6p-27=-45+3p | | 8r+2+7=-27 | | 8y-20=-3y+2 | | 9y-5=-53+y | | 3x+16+2x+14+90= | | X+0.05=40425 | | 4x-12=12-4c | | 20.6+2.1x=-8 | | ln(x^7)=ln(x^4)+3 | | 3(5s-6)=-32 | | d/6=72/48 | | 3x-9+2x+10=21 | | 4/7=44/m | | -4/7m=-12 | | x+10=4x+10 | | x^2+1.3x-7.7=0 | | 18x-224=270 | | (5r+9)-(5r+9)= | | 3y+5+y=-10-y | | 2y+6*1=6 | | 5x^2+4y=20 | | x+12=x+2(x+1) | | R-48=40 | | sin(x)-cos(x)=sqrt(2)/2 | | -122=1 | | 7w/3w-12 | | 2x^2+75=237 |

Equations solver categories