3x*4x=147

Simple and best practice solution for 3x*4x=147 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 3x*4x=147 equation:



3x*4x=147
We move all terms to the left:
3x*4x-(147)=0
Wy multiply elements
12x^2-147=0
a = 12; b = 0; c = -147;
Δ = b2-4ac
Δ = 02-4·12·(-147)
Δ = 7056
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{7056}=84$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-84}{2*12}=\frac{-84}{24} =-3+1/2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+84}{2*12}=\frac{84}{24} =3+1/2 $

See similar equations:

| 10+(2-x)=7 | | 3q+8=32 | | (3.5)2t+1=525.21875 | | 66=6k+6 | | 5-x/14=13/28 | | x+2x-5+71+123=360 | | 88=6m+58 | | 297=33c+99 | | 15/12x-25=0 | | 3x+-15=2x+10 | | x+2x-5+71+123=180 | | f(7)=2*7-3 | | -v/5=9.8 | | 3D+5=d-23 | | 33=8q-7 | | -7n+5=54 | | 4x-12=7(x+2)-3x | | 15.625=(2.5)t | | 5a=4a-6 | | 5/7d=35 | | 6x÷5=6 | | B-99=4b+6 | | (7x+6)+(6x-9)=180 | | q+10=53 | | 4x-6(6x-8)=-144 | | G-287=9g+9 | | -6p-7+7p=-4 | | -4(-5x+3)=7x-5 | | x-25=-4x+45 | | 3x-(2x+8)=4(5x-9)+2 | | s+5829=13200 | | -8n+14=-18 |

Equations solver categories