-5x(-3x-3)=14

Simple and best practice solution for -5x(-3x-3)=14 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 -5x(-3x-3)=14 equation:



-5x(-3x-3)=14
We move all terms to the left:
-5x(-3x-3)-(14)=0
We multiply parentheses
15x^2+15x-14=0
a = 15; b = 15; c = -14;
Δ = b2-4ac
Δ = 152-4·15·(-14)
Δ = 1065
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(15)-\sqrt{1065}}{2*15}=\frac{-15-\sqrt{1065}}{30} $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(15)+\sqrt{1065}}{2*15}=\frac{-15+\sqrt{1065}}{30} $

See similar equations:

| 1.25r+6.75=34.25 | | 4a+10=2(a+5) | | x-31=2x-85 | | 5z+16=76 | | y/16−2=4 | | f+27/6=8 | | 4w-90+2w-54=180 | | 29$=5+3m | | 2(k-64)=38 | | 10y+13=63 | | 7-3/5x=1 | | 2(p+2)-p=-8 | | 5(3+p)=-20 | | 13=3f+4 | | 14/27=7/x | | 22x+4.50=11x+5.75 | | 0.2(3x-5)=-0.15(3+2x)-0.85 | | y=4y-72 | | 7x=9/2 | | 1^x=100 | | 3k-14=10 | | 4(x–5)=1/4(8x+10) | | 3x+8=7-(5x-7) | | 27=y24 | | 30c-27=-30 | | 1/4x+8=-2 | | 7(-4+x)=49 | | 5x-60=3x+14 | | -2=p+-1 | | 4h+7=−5 | | 8.5d+55=140 | | {1/5}=x3 |

Equations solver categories