9(x-1)-2x^2=7

Simple and best practice solution for 9(x-1)-2x^2=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 9(x-1)-2x^2=7 equation: 



9(x-1)-2x^2=7

We move all terms to the left:

9(x-1)-2x^2-(7)=0

We multiply parentheses

-2x^2+9x-9-7=0

We add all the numbers together, and all the variables

-2x^2+9x-16=0

a = -2; b = 9; c = -16;
Δ = b2-4ac
Δ = 92-4·(-2)·(-16)
Δ = -47
Delta is less than zero, so there is no solution for the equation

See similar equations:

| x+168=x+128 | | 5+4x-7=4x+3+x | | 16/v=4 | | x+168+x+128=90 | | 5x+3x=-80 | | 47=3x+10=9x-39 | | 1•3(6x−9)+1•4(8x−12)=14. | | x+168+x+128=180 | | 19x+15+13x+5=180 | | 5z+8-z+2=38 | | x/2=1=7 | | 9u+1=4u-9 | | -6k+20=-2.4k+92 | | 3-8-8x=42 | | 4(3x+6)=3(15x-2) | | 3+22g=5g-9 | | -7x-7=2x | | 2=10x+2 | | 81-8x=129-14x | | x+15+125=180 | | 21x+1=° | | 9-5x=132 | | 7x+8=2(3x+4)+x | | 7(x+5)=17+5x | | -11+15=-2(x+4) | | 13x+20=13x+33 | | 4w-7/4=-4/3w-7/3 | | 2y-3=5y-2y | | (5x+25)=(3x+19) | | 2(x-5+7)=x+8 | | 32-14=6x-18 | | -4x+-8=18x+-52 |

Equations solver categories