(x-2)(x-14)-45=0

Simple and best practice solution for (x-2)(x-14)-45=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (x-2)(x-14)-45=0 equation:



(x-2)(x-14)-45=0
We multiply parentheses ..
(+x^2-14x-2x+28)-45=0
We get rid of parentheses
x^2-14x-2x+28-45=0
We add all the numbers together, and all the variables
x^2-16x-17=0
a = 1; b = -16; c = -17;
Δ = b2-4ac
Δ = -162-4·1·(-17)
Δ = 324
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{324}=18$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-16)-18}{2*1}=\frac{-2}{2} =-1 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-16)+18}{2*1}=\frac{34}{2} =17 $

See similar equations:

| 32=8(x-1 | | 2.6+2.6x=1.5+4.3x | | 5t+11=4t-1 | | 1/6(x-12)=4 | | 2/3x+-9=11 | | 1/6(x-13)=4 | | 7x-(6x=5)=-1 | | 8+7x=-4+4(3x-2) | | 3.5d+1=3d-4 | | 9+8b=-13 | | 7x-(6x-5)=-1 | | 1/6(x-12)=46 | | n^2-4n+60=0 | | 1(x-12)=46 | | 7/3y+5=5/6y-4 | | 5^3n-2=125 | | 8(c+2)=2(8+c) | | r^2-16=-7 | | 4d=11/3 | | 3p-4=3p+5 | | r2-16=-7 | | 8(5n+6=-72 | | 3/4x+-7=14 | | 16/x-2=4 | | -5-3n-5=-22 | | 10/x+4=9-15/x | | p+7/2=p | | 8p+4=8p+4 | | 3(x+5)=2(−6−x)−2x | | (9b-2)-4(2b+1)=-3 | | 13-11w=3w | | 3m-2(m+7)=3m2m+14 |

Equations solver categories