10x2/7x-4=3

Simple and best practice solution for 10x2/7x-4=3 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 10x2/7x-4=3 equation:



10x^2/7x-4=3
We move all terms to the left:
10x^2/7x-4-(3)=0
Domain of the equation: 7x!=0
x!=0/7
x!=0
x∈R
We add all the numbers together, and all the variables
10x^2/7x-7=0
We multiply all the terms by the denominator
10x^2-7*7x=0
Wy multiply elements
10x^2-49x=0
a = 10; b = -49; c = 0;
Δ = b2-4ac
Δ = -492-4·10·0
Δ = 2401
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{2401}=49$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-49)-49}{2*10}=\frac{0}{20} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-49)+49}{2*10}=\frac{98}{20} =4+9/10 $

See similar equations:

| 2x-25=12 | | 3p=5p+8 | | Y7x=98 | | 9⋅x=36 | | 7x=72−5 | | x3(x-9)=15 | | x3(x−9)=15 | | 5(x-2)+4=3x-2(4x-4) | | 7/9=x/100. | | 8d-12=5d-43 | | 9c+23=2c-26 | | 2·x–7=101–x | | 2·x–7=101–x. | | 7b-12=4b+24 | | 11n-21=254 | | 2x=5+4x-21 | | {x}{2}+4=x | | 32=x–13 | | (4x+96)/x=0 | | 3^2t-8=1 | | y+111=23 | | 3^2t+8=1 | | 4x+15=–5 | | -8x+2=x-2 | | 22x+(x-2)*(x+2)/x+2=1 | | 2y–5=4y–9 | | (12x^2+44x)/(3x-11)=4x | | (12x^2+44x)/(3x-11)=4 | | 88/q=-8 | | x+(x+1)+(x+3)=81 | | a×8=28 | | 3(x+8)-3=18(x-½) |

Equations solver categories