7m2-12m+5=0

Simple and best practice solution for 7m2-12m+5=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 7m2-12m+5=0 equation: 



7m^2-12m+5=0

a = 7; b = -12; c = +5;
Δ = b2-4ac
Δ = -122-4·7·5
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4}=2$


$m_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-12)-2}{2*7}=\frac{10}{14}
=5/7
$


$m_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-12)+2}{2*7}=\frac{14}{14}
=1
$

See similar equations:

| v-14.4=-20.5v | | 155-40x=-485 | | 10n2-3n+10=0 | | 3x+0=-18 | | 7x•115=136 | | 3(x+8)-7=28 | | 7m2-12m=5=0 | | .25(x+80)=320 | | 27=d/2 | | 4x-0=-24 | | 4a2+10a-7=0 | | 2x-8(-7x)=6 | | 14u+4u-14u-3u=13 | | 2÷3t=8 | | x–7=2x–1 | | 52.2=6​(m+2.3​) | | 4a+4a-7a=14 | | 3x-9x+1=0 | | m/4=72 | | y=-5(-6) | | r/7=4.5 | | 49x/9=x/2 | | 3x-9+1=0 | | n/15=11 | | 6(2*n)=72 | | 3x-9+1=10 | | 8(5n-3)=-29+9n | | 2x2+7=15 | | 15b-13b=20 | | -25-6x=-4(7x-8) | | 2x2+2x=15 | | 5(9a-2)=25+8a |

Equations solver categories