(6x+4)(5x+2)=0

Simple and best practice solution for (6x+4)(5x+2)=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 (6x+4)(5x+2)=0 equation:



(6x+4)(5x+2)=0
We multiply parentheses ..
(+30x^2+12x+20x+8)=0
We get rid of parentheses
30x^2+12x+20x+8=0
We add all the numbers together, and all the variables
30x^2+32x+8=0
a = 30; b = 32; c = +8;
Δ = b2-4ac
Δ = 322-4·30·8
Δ = 64
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{64}=8$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(32)-8}{2*30}=\frac{-40}{60} =-2/3 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(32)+8}{2*30}=\frac{-24}{60} =-2/5 $

See similar equations:

| 3x-7x-4=x | | -4=-16+x | | 5x-34=15-2x | | (3x-21)=(27/x) | | 126=4x+22 | | (-4x-3)(-2x+6)=0 | | 7+11x=-268 | | (2x+4)+(4x+2)=90 | | 3x-33=-24 | | 3k−–3=9 | | 3(2a-2)=2(3a-) | | 10+3x=-35 | | .25p=5.25 | | (2x+10)+58=90 | | −4(z+6)=12 | | 4x+126=22 | | 87x=S | | −5.3=l4 | | p(p-4)=33 | | (x-12)+68=90 | | 6(x+6)=4x+45 | | 7e=-98 | | -y-5-y=-10 | | 6+m/3=18m  | | 6+m/3=18,m  | | -26=4b-b-11 | | 2x–5=–31 | | 1/5r=1/125 | | 2s+14=2 | | 3y×4y+6=20 | | 12=s–1+ 8 | | (8x5)=56 |

Equations solver categories