If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X2=15X-54
We move all terms to the left:
X2-(15X-54)=0
We add all the numbers together, and all the variables
X^2-(15X-54)=0
We get rid of parentheses
X^2-15X+54=0
a = 1; b = -15; c = +54;
Δ = b2-4ac
Δ = -152-4·1·54
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$$X_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-15)-3}{2*1}=\frac{12}{2} =6 $$X_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-15)+3}{2*1}=\frac{18}{2} =9 $
| 2(z-12)-1=z-25+10 | | 2n+3=3n+1 | | 5.25w=-89.25 | | 9p+18=-4-20+12p | | 2x-(4x-7)=21 | | X+40x=180 | | 9n-13=122 | | 9v=10v-6 | | 3(5m-4)m=2 | | 19+1.5x=15+2.25x | | 9(6-5x)-8(8-7x)=72 | | 30r+9=-8 | | 7y+9+5y+5=146 | | 19.95+2.15+.21x=24.95+.16x | | 0=-5x^2+550x+5000 | | 14-7z=2z-3z | | n/2+6=18 | | t^2-9t-8=0 | | 2-18c=17-19c | | h+1/2=51/4 | | u-2/3=21 | | 6(1-x)=-6x+1 | | 2(x-5)=36 | | -13=x/9+8 | | 11x-(5x+50)=200 | | 2x(x-5)=36 | | |10x-5|=35 | | 4(u-88)=24 | | w-23=15 | | 6-6n=-6n+1 | | 4(n+9)=16 | | x^2-20=8-x |