If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x2-x+7=9
We move all terms to the left:
x2-x+7-(9)=0
We add all the numbers together, and all the variables
x^2-1x-2=0
a = 1; b = -1; c = -2;
Δ = b2-4ac
Δ = -12-4·1·(-2)
Δ = 9
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}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{9}=3$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-1)-3}{2*1}=\frac{-2}{2} =-1 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+3}{2*1}=\frac{4}{2} =2 $
| 6x+2;x=3 | | 8k-3k=-8k-4-2-7 | | 157-y=209 | | w÷4-21=-3 | | -7b+3b-13=8-7b | | 13x-7/12=12x+2/9 | | 2(9+x)=x-6 | | 8(1+5x)+5=13x | | 3x^+7x+4=0 | | 4(6a-5)-6=70 | | 8j–5+j=67 | | 10x^2+25=4x^2 | | -8-7x+5=4 | | 3(4y+6)=-2(3-6y) | | 9x+35=-5 | | 2.05x+2.20(440-x)=7489.50 | | 6=2w=54=4w | | 3/(2x)=3x | | 6-3/10=s | | 5a+2=57 | | 38+3x-12x=3x+2 | | 20+n=65 | | x+x+2+3x-6=315x-4 | | 1/2x+2/3=11/3 | | -75=2+7x | | 81+m=65 | | 2-5m+5=-6m+1 | | 18=r/9+8 | | 3(1-x)=-4(x-5)-6 | | 1-(2x-1)/(6)=(4x)/(9) | | 15=2•3.14•r | | 6(v+3)-2v=2(2v+4)-15 |