9x2+42x+49=0

Simple and best practice solution for 9x2+42x+49=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 9x2+42x+49=0 equation: 



9x^2+42x+49=0

a = 9; b = 42; c = +49;
Δ = b2-4ac
Δ = 422-4·9·49
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-42}{18}=-2+1/3$

See similar equations:

| 7x+4x-2x=54 | | 16=a-44 | | 30x^2-11x-28=0 | | l*5000=300 | | 5/8h+16=-15 | | 2450(250x)=1750(350x) | | 6x2-34x=-48 | | 12x-40=15x-38 | | 2^x-2^(x-4)=15 | | (3q+2)2=0 | | (3q+20)^=0 | | 4y-14=y+4 | | (3q+20^=0 | | 9+4x=x+44 | | 6w=7/12 | | X=11+0.04x | | 3x+6=1170 | | 44=9c-1 | | -k+5=-5k-4 | | 4x^2−17x+4=0 | | 4x2−17x+4=0 | | 3^(x+2)-3=72 | | 3x-6-7x=4x/2-11 | | -4x-22=-98 | | 2x/5+11=23 | | Y=10x+-4 | | 51/y=3 | | 5x/2-2=13 | | (y–2)/8=(1+2y)/12 | | 20+3y=50 | | 3(x+8)=5(x-4) | | 3+5x=-9-x |

Equations solver categories