If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x2+15x-64=0
We add all the numbers together, and all the variables
x^2+15x-64=0
a = 1; b = 15; c = -64;
Δ = b2-4ac
Δ = 152-4·1·(-64)
Δ = 481
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}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(15)-\sqrt{481}}{2*1}=\frac{-15-\sqrt{481}}{2} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(15)+\sqrt{481}}{2*1}=\frac{-15+\sqrt{481}}{2} $
| x+5.76=9.24 | | 2(v+5)=10 | | -4(-5-2x)=1 | | 17+m=-17-2-m | | 2(x+2)=-13 | | 2x-20=28 | | 3f−5=1 | | 1/7a+12=32 | | -8(x-4)=-7x-8 | | 2x-7=12x-5 | | 10=1/4b | | 4x-32=54+2x | | (x+3)^3=0 | | 4n+2=2n+20 | | 15-6z=-4z-19 | | 6(x-2)=2(2-x) | | -.56(n+8)=2.8 | | -5-9d=-10-9d | | 35x+755=650 | | 8t+17-24=15t | | 2-r=-r+8 | | 3x2−54x+243=0 | | (1-2p-p^2)=p+1 | | 8p-4=-7+8p | | 8x-19=10x+8 | | 2=x17 | | 10x^2+4x-5x-102=0 | | 43/5=12x | | -6r+2=-3-6r | | -9k=-8k-5 | | 12(x+3)=84 | | 10t-2-4t=5t+8(2t-3) |