9(x+1)(-x+2)=79

Simple and best practice solution for 9(x+1)(-x+2)=79 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)(-x+2)=79 equation: 



9(x+1)(-x+2)=79

We move all terms to the left:

9(x+1)(-x+2)-(79)=0

We add all the numbers together, and all the variables

9(x+1)(-1x+2)-79=0

We multiply parentheses ..

9(-1x^2+2x-1x+2)-79=0

We multiply parentheses

-9x^2+18x-9x+18-79=0

We add all the numbers together, and all the variables

-9x^2+9x-61=0

a = -9; b = 9; c = -61;
Δ = b2-4ac
Δ = 92-4·(-9)·(-61)
Δ = -2115
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 6c-8-c=-16 | | P=e²/R | | -5÷-10+z=7 | | 2,7y=54 | | 5(x+2)-3x=1 | | 3x-11=22-3(x-1=9 | | -5{-10+z}=7 | | 7w=30+2w | | 0.4x=31 | | 73-2x=13 | | 3y=6-2(y-2) | | x²+11x+28=Y | | 42=  42+9b | | 8-(12/h)=14 | | 5n+5n+25=3n+18 | | (2x-3)+(8x)+(x+7)=180 | | 8-x=-3x+4 | | C(x)=0.25x+13.75 | | 2x-20-2x-8=103 | | 8x+15=183-6x | | x-(2x-180)=-210 | | C(x)=15.00-0.09x | | 3a-6+a=20 | | 2x-(221+x)=-31 | | q/5=q-3/2 | | 18/12-6x/12=9+2x | | 8x-4=46-2x | | (x/2)-1=7 | | 32-8x=88 | | 10+-13+2x=x+7 | | 10+x=3x-2 | | 4y.5y²=20y³ |

Equations solver categories