If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-9x^2-32x+2880=0
a = -9; b = -32; c = +2880;
Δ = b2-4ac
Δ = -322-4·(-9)·2880
Δ = 104704
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{104704}=\sqrt{256*409}=\sqrt{256}*\sqrt{409}=16\sqrt{409}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-32)-16\sqrt{409}}{2*-9}=\frac{32-16\sqrt{409}}{-18} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-32)+16\sqrt{409}}{2*-9}=\frac{32+16\sqrt{409}}{-18} $
| .09x=15,000 | | 42/5+k=(-32/11) | | 3x+4(x-3)=7x-8 | | -9x^2-32x=-2880 | | 28m+22.75=50m+17.25 | | 175m-100m+52,800=56,100-200m | | 0.01(x+15)=0.15=0.01(6x+15) | | 2n-8=50 | | (7a+3)(a-4)=0 | | 1/4+z/21/2=53/4 | | 25.5=m^2+m | | 3.9g+3=1.9g+13 | | 0=n5n-2n | | х^2+У^2-4х-6y+17=0 | | 7-5i=0 | | 3.9x=2.7x+6.0. | | 5x-12=10x+48 | | -7-w=-8 | | 11a-4a=14 | | 9-4x=4x-23 | | 6=-3m+12 | | 42+14=(4x)x7 | | u/5-12=7 | | 7x/4-7=42 | | 5k-(3k)=-(6k+3) | | (1/3)^3x+4=7^x+3 | | 30=-3(24-m)+3(m-2) | | 2x+1/7=3x-2/6= | | r/9+8=-13 | | 7x+10=6+6x | | 23(16-x)=5(2x+1 | | -2^x-5=3^2x |