If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
(9-((5*x)/2))^2 = 0
((-5/2)*x+9)^2 = 0
(9-5/2*x)^2 = 0
9-5/2*x = 0 // - 9
-5/2*x = -9 // : -5/2
x = -9/(-5/2)
x = 18/5
x in { 18/5, 18/5 }
| r-4-r=-4 | | 3Xy+15=9 | | 4*1/4*28000 | | 10-3x-13+5x= | | 6f+3=27 | | 3c+2d=1 | | 3-9/7=-2 | | 3x/5-1=11 | | w=9.4 | | 8sin(x)cos(x)=0 | | 7*(4n-3)-(2n+1)*9=2(n-9) | | 3m-7=4m+2 | | 7(x+2)+2=16 | | j-4/-3=-3 | | 2/3x9/10x5/6 | | 4a+3=4a-3 | | 3(7-7x)=84 | | r-10.42=6.4 | | y=5.99 | | 4.09+9=16.7281+3x | | 30(x+5)+30x=3450 | | 3x-8=8.5 | | 30(x+5)+5x=3450 | | -6d=30 | | F(x)=-2ln(x+1) | | 2y+12=y | | 2k-5=2(k-5) | | X^2-16x+72=0 | | 7x+6y-3z=43 | | 3m+2=3m+8 | | N/6=-15/18 | | 0=-16x^2+83x+4 |