6(7x-5)(4x+7)=0

Simple and best practice solution for 6(7x-5)(4x+7)=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 6(7x-5)(4x+7)=0 equation:



6(7x-5)(4x+7)=0
We multiply parentheses ..
6(+28x^2+49x-20x-35)=0
We multiply parentheses
168x^2+294x-120x-210=0
We add all the numbers together, and all the variables
168x^2+174x-210=0
a = 168; b = 174; c = -210;
Δ = b2-4ac
Δ = 1742-4·168·(-210)
Δ = 171396
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{171396}=414$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(174)-414}{2*168}=\frac{-588}{336} =-1+3/4 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(174)+414}{2*168}=\frac{240}{336} =5/7 $

See similar equations:

| e/5=2 | | 7+2x=5-6x | | 1w+1w=w | | 6(x-11)=15-4 | | 90-x=0.5x+3 | | 2y/10-9/10+3/2=y | | -21x-3(-7+7)=-9 | | 1/3^x-2=1/3^2 | | 2/3w+6=22 | | 2(2x-7)-4=2(x-5)+4 | | 23=17+y | | -x+4(1+5x)=155 | | 7/8g=24 | | -42=7(x+5) | | 4x=12x+18 | | n^2+11n+21=-3 | | 2/9x=5/12 | | 9y-15=3(y+3) | | 8x-(2x+3)=33 | | 0=-2t^2+4t-1 | | 23x+51=350 | | 2(w+6)=-9w+45 | | -2x-30=-4(x+5) | | 94–f=83 | | 2(3t+-8)-4=10 | | y-19=-37 | | (2x-3/4=9 | | 42+x=x2 | | -5(y-4)=-2y+2 | | 9(6x-5)=45 | | -9u+2=4(u-6) | | 5x+4(4x+5)=125 |

Equations solver categories