15n-(3n-5)(4n+5)=5-12n2

Simple and best practice solution for 15n-(3n-5)(4n+5)=5-12n2 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 15n-(3n-5)(4n+5)=5-12n2 equation: 



15n-(3n-5)(4n+5)=5-12n^2

We move all terms to the left:

15n-(3n-5)(4n+5)-(5-12n^2)=0

We get rid of parentheses

12n^2+15n-(3n-5)(4n+5)-5=0

We multiply parentheses ..

12n^2-(+12n^2+15n-20n-25)+15n-5=0

We get rid of parentheses

12n^2-12n^2-15n+20n+15n+25-5=0

We add all the numbers together, and all the variables

20n+20=0

We move all terms containing n to the left, all other terms to the right

20n=-20

n=-20/20

n=-1

See similar equations:

| 17=5k−217=5k−2 | | 18/9=x | | 0=3/8*x^2-2x+2 | | 15×=3x+120 | | 3x+2=0x+4 | | 99=9p+27 | | x^2+4x=33 | | 2x+(×-7)=8 | | 7x−10=3x+10 | | 0x=1=2x+3 | | 15;x+17=32 | | g-3=2 | | 3u=35-3u | | 3/4n+2=1/4n | | 26y−4−11y=15y+6 | | |x+7|=|2x+5| | | 3(2x=10)-10x=26 | | 3u+4=28 | | 3u=25-3u | | 2.5x+3=1.25x | | 5u-1+91+5u=180 | | 41+52k-3-13k=41k+51-12k-7 | | 2.6x+5=1.1x-9 | | 2.5x+3=1.2-5x | | 4v=v+18 | | 2;1/2q+1)=-3(2q-1)+4(2q+1) | | 2,2/9=-4/5m | | 10^x=25 | | 8w–7=17 | | 4.8/0.8x=0 | | 7x+1=6+9 | | 8w-7=3w+13 |

Equations solver categories