If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(F)=F^2+6F-9
We move all terms to the left:
(F)-(F^2+6F-9)=0
We get rid of parentheses
-F^2+F-6F+9=0
We add all the numbers together, and all the variables
-1F^2-5F+9=0
a = -1; b = -5; c = +9;
Δ = b2-4ac
Δ = -52-4·(-1)·9
Δ = 61
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$F_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$F_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$F_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-5)-\sqrt{61}}{2*-1}=\frac{5-\sqrt{61}}{-2} $$F_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+\sqrt{61}}{2*-1}=\frac{5+\sqrt{61}}{-2} $
| 1+x=93232104390213219048192048203 | | 2^2a+^2=64 | | x2=-6x | | x+12=15,x | | 3(t-6)+7t=5(2t+4)-8 | | (9x-19)+(12x-38)=132 | | x(x)=x(x)-000000000000 | | 2x-8-4x=12+4x-8 | | 11z+9=108 | | 18x2-8x=0 | | 2^2a+2=64 | | 4x+8+7=14 | | m+(-13)=(-19) | | 20=6/x | | 1.x-3=3 | | -2x+5=3.4 | | 2x+4=4-8 | | (x+22)+(21x-4)=62 | | (x−14)(x+13)=0 | | 2y-4(1)=12 | | 24=4/7y | | v/2=-3.2 | | -3•x=-2 | | 2y-4(-4)=12 | | w^2-65=-64 | | (10x-34)+(9x-17)=120 | | -4(x-1)(x+2)+(2x+3)²=17 | | 11x-3(3x-4)=3(x-4 | | 4/7y=4/21 | | r^2-22=99 | | 15=36y | | 3(6+x)=24. |