1/2x2+2x+3=x+7

Simple and best practice solution for 1/2x2+2x+3=x+7 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 1/2x2+2x+3=x+7 equation: 


x in (-oo:+oo)

(1/2)*x^2+2*x+3 = x+7 // - x+7

(1/2)*x^2+2*x-x-7+3 = 0

1/2*x^2+x-4 = 0

DELTA = 1^2-(-4*1/2*4)

DELTA = 9

DELTA > 0

x = (9^(1/2)-1)/(1/2*2) or x = (-9^(1/2)-1)/(1/2*2)

x = 2 or x = -4

x in { -4, 2 }

See similar equations:

| -15.00-12.00m=-123.00 | | -16t+30t+6=0 | | -15.00-12.00*12= | | -16t+30t+6=h | | 6x+21=97 | | 3x+2=9x-26 | | 6x+21=98 | | -15.00-12.00*5= | | 5x+18=85.5 | | 5x+18=84 | | L=0.01(5000)+0.02(x-5000) | | 6(x+3)-(3x-7)= | | 5x+18=6x+21 | | 10x+140+50x+60x+100=1440 | | (-5)+(7)-(4)+(12)= | | 3.9/11 | | y+9=7/2(x-5) | | 10x(x+14)+50x+20(3x+5)=1440 | | y+9=7/2x-5 | | 1/2*(38-14)*(34-14) | | -m=1 | | -9x+13=-15 | | 10+4*8= | | 10+4*6= | | 5y+8=10+y | | 9x-7=2x+5 | | (c^2-6c-55)/(C+3) | | x^3+8x^2+5x+40= | | -12+1*34=90-2*34 | | x(x+8)+3(x+8)= | | 10+4r+2= | | -20+2*30=160-4*30 |

Equations solver categories