25-30x=-9x^2

Simple and best practice solution for 25-30x=-9x^2 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 25-30x=-9x^2 equation: 



25-30x=-9x^2

We move all terms to the left:

25-30x-(-9x^2)=0

We get rid of parentheses

9x^2-30x+25=0

a = 9; b = -30; c = +25;
Δ = b2-4ac
Δ = -302-4·9·25
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{30}{18}=1+2/3$

See similar equations:

| 7m-10=24 | | 2x²-13x+4.25=0 | | 4h+24=28 | | X-0.15x-81=700 | | 3(a+20)=4(12-2a) | | y+4=3・7 | | 15-2k=24+k | | 8-4n=7-6n | | Y2-10y=17 | | 2(k+2)=3(6-k) | | y+3/4=12/2 | | 1.637=(x*30)/100+x | | 11x+3=35 | | x=(0.4)*(0.3+x) | | 17p×(-4)=154 | | 3x(5x²-9)=0 | | 3x(5x²-9x)=0 | | 68+3x=360 | | 18-(5x-3)=6 | | 24=0.3×a | | A^2+b=25 | | A2+b=25 | | 9x²=4 | | 2x-34=296 | | 5x²+65x+150=0 | | x^2+18x-57=0 | | 25.9=15t-5t^2 | | -8x+4=26x+4 | | 50+(x+15)=90 | | 50(x+15)=90 | | 9x+10(-2x+3)=-10x | | 510/x=85510/x=85 |

Equations solver categories